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Executing secure functions from non-secure code using Arm TrustZoneExecuting secure functions from non-secure code using Arm TrustZone

first_imgAdding the attribute cmse_nonsecure_call tells the compiler that this function is accessible from non-secure memory. This will allow a secure gateway instruction to be used to access the function. In addition, when the secure function has completed execution and is ready to jump back to the non-secure code, any non-banked registers, those that are being shared between the secure and non-secure regions, will be cleared. Clearing the registers prevents any secure data that may have been stored in the non-banked registers from being exposed to the non-secure zone.At this point, a developer would be able to compile the secure library and then from their non-secure project, include the header file for their function and make calls to MySecureFunction.The ability to isolate critical functions from the rest of the application is critical when attempting to secure an embedded system. Careful thought should be applied up front to decide which functions in an application should be isolated and even which mechanisms will be used to. TrustZone is one tool that embedded software developers can start to utilize to improve their products security.ReferencesKeil Application Note 291Keil MDK arm M33 TrustZone Baremetal project example The traditional embedded software application exists in a single contiguous space with unique ID’s, memory and code all sitting together and easily accessible. This of course makes it very easy for a hacker to access the entire system as soon as they can get their foot in the door. The key to embedded system security is isolation. A new way that developers can improve isolation is to utilize the new TrustZone® capabilities in Arm® M23/33 microcontrollers. In this post, I’m going to walk the reader through how they can protect secure functions using TrustZone but still access them from a non-secure memory region.Before diving into the details, it would be useful to discuss a little bit about TrustZone. TrustZone is a security hardware extension for the Armv-8 architecture that provides hardware isolation that creates a secure and non-secure zone from which software can be executed. Both regions have their own MSP, PSP, MPU’s and the secure region even has some non-banked registers that are not accessible in the non-secure zone. The transition from secure to non-secure and vice versa is all done in hardware within three clock cycles, so a developer doesn’t need to concern themselves with adding any extra code to handle the transition; However, a developer does need to concern themselves with properly controlling which secure functions can be accessed from the non-secure region.Figure 1 – Arm TrustZone creates a hardware isolation between secure and non-secure code. TrustZone allows developers to securely boot their microcontroller in addition to specifying which memory regions, interrupts and peripherals should execute in the secure zone. (Image Source: Keil Appnote 291)By default, code executing in the non-secure region cannot access the secure region. Any attempt to dereference a memory location in the secure zone will result in an exception. The problem is that a developer may need to call a secure function such as a crypto library function or maybe a peripheral driver that has been deemed secure. In order to do this, a developer needs to create an interface in their secure application project that becomes part of a secure gateway between the non-secure and secure code regions and allows the secure function to be executed. The secure function executes in the secure or trusted zone, keeping it isolated from the non-secure code.Creating the interface between the secure code and the non-secure code is done using the arm_cmse library which is a C library extension to support secure executable files. The library contains definitions for creating function pointers to non-secure memory such as cmse_nsfptr_create. The compiler itself, such as Keil MDK, also include new compiler attributes like cmse_nonsecure_entry which tell the compiler that the associated function is located in secure memory but accessible from non-secure memory.The process for creating an accessible secure function is simple. First, a developer defines their secure function just like they would any other function except that the function is defined within their secure project. An example secure function can be seen below:int MySecureFunction(funcptr_ns callback, int Data){   funcptr_NS callback_NS;   callback_NS = (funcptr_NS)cmse_nsfptr_create(callback);   Data = callback_NS(Data);   return Data;}There are several interesting points to note about this code:The code makes use of the funcptr_NS type from arm_cmse.h which defines a type for function pointers accessing non-secure memoryAccessing a non-secure callback function from the secure zone requires calling cmse_nsfptr_create which will allow the non-secure function to be accessed in the secure regionTrustZone code will typically use NS to denote non-secure and S to denote secureAs written, this code would not be accessible to the non-secure regionIn order to remedy the fact that this code is completely secure and non-accessible, a developer needs to use the cmse_nonsecure_entry attribute. The secure function definition would then change from:int MySecureFunction(funcptr_ns callback, int Data){…}toint MySecureFunction(funcptr_ns callback, int Data) __attribute__((cmse_nonsecure_call)){…} Jacob Beningo is an embedded software consultant, advisor and educator who currently works with clients in more than a dozen countries to dramatically transform their software, systems and processes. Feel free to contact him at jacob@beningo.com, at his website www.beningo.com, and sign-up for his monthly Embedded Bytes Newsletter. Share this:TwitterFacebookLinkedInMoreRedditTumblrPinterestWhatsAppSkypePocketTelegram Tags: Digital, IoT, Security Continue Reading Previous Parasoft: new ways take the manual effort out of certificationNext Green Hills extends trusted instrument cluster solutions to Renesas’ R-Car D3 SoClast_img read more

How Surrey created the best cricket production line in the worldHow Surrey created the best cricket production line in the world

first_imgShare on Pinterest … we have a small favour to ask. More people, like you, are reading and supporting the Guardian’s independent, investigative journalism than ever before. And unlike many news organisations, we made the choice to keep our reporting open for all, regardless of where they live or what they can afford to pay.The Guardian will engage with the most critical issues of our time – from the escalating climate catastrophe to widespread inequality to the influence of big tech on our lives. At a time when factual information is a necessity, we believe that each of us, around the world, deserves access to accurate reporting with integrity at its heart.Our editorial independence means we set our own agenda and voice our own opinions. Guardian journalism is free from commercial and political bias and not influenced by billionaire owners or shareholders. This means we can give a voice to those less heard, explore where others turn away, and rigorously challenge those in power.We hope you will consider supporting us today. We need your support to keep delivering quality journalism that’s open and independent. Every reader contribution, however big or small, is so valuable. Support The Guardian from as little as $1 – and it only takes a minute. Thank you. Read more Rory Burns, England’s opener-in-waiting? An off-spinner coming up through the age groups. Batted No 8 until he was 17. Still secretly bowls very good off-breaks. Olly Pope, England’s 10th youngest Test batting debutant of all time? Didn’t score a fifty until he was 16. And while you’re here, Sam Curran, 11 wickets against India, man of the series? Always a batsman coming up. Bowled “floaty little left-armers and a very quick bouncer”.If you want deep background on the most gripping bunch of young cricketers in the country, or arguably anywhere in the world right now, the best people to speak to are probably the ones just off stage. Much has already been made of the home-grown nature of Surrey’s County Championship pennant, sealed last week with victory against Worcestershire at New Road. But it is an achievement that gets a little more striking the closer you look. Surrey clinch County Championship title with tense win at Worcester England in Sri Lanka 2018 “It has helped with Popey and Sam in the last year,” Townsend says. “When guys start making their international debuts, I think that’s when you know you’re on the right track. When we first started I thought success was getting kids through the system to a professional contract. These days I think it’s a success when that lad has a long-term career, whether it’s at Surrey or not. Guys getting to England level and being mainstays of the first team, those are big successes and that’s what we want to achieve.“We don’t create the player like a car manufacturer putting the parts together. They have to work it out for themselves, and we have to provide them with opportunity to succeed or fail. When it works it is immensely rewarding to see them fulfil their ambitions. To go and watch Pope at Lord’s playing for England. He’s 20 years old. Two years ago he was with us. It’s amazing for those guys to be where they are now, one of the best 11 cricketers in England.”That honour is also set to fall to Burns, the captain of the champions, leading runscorer in division one, and a player who a couple of weeks before the title win was being used by Benge as a case study to inspire a group of 12-year-olds during a trial session down in Normandy, deepest Surrey.“Coming up through the age groups Burns was an off-spinner, then he became a wicketkeeper” Benge says. “In the under-16s he batted at eight, didn’t get any runs, and it wasn’t until he was 18 he really became a runscorer. He went to university, he wasn’t contracted, but he churned out so many runs you couldn’t not pick him. He wasn’t the best young player in the team but he had this will and drive that has just taken him on from there.” /sport/2016/aug/18/sign-up-to-the-spin If the emergence of Burns is a little left field – and Benge is still protective about the noticeable squat in his batting stance (“it’s prior to the ball being released. What he does after that is pretty orthodox”) – then Pope seems to have emerged ready made. His career is a case study in talent management; from Surrey under-nines to Test match player in 12 frictionless years. Not that it was always obvious this would be the case. “He made some small contributions here and there coming up but he was mainly in because of his wicketkeeping and his potential,” Benge says. “At 13 or 14 he was a little wicketkeeper, very skilled, but without the physical power. He didn’t make his first fifty until his was 15. A lot of batters can be overlooked for that reason. ”Townsend remembers in particular an innings in in the semi-final of the under-17’s one-day final at Reeds School against Hampshire. “Popey went in with 13 overs to go and got 120 in 45 balls. His second 50 came in 13 balls. Alec [Stewart] had come to watch, he didn’t know much about Popey and we sat there watching him destroy a good Hampshire side. The balls weren’t just popping over the boundary; they were disappearing.”It is Pope’s ability to defend and bat for long periods that Townsend is most enthused by. Going against trends, Surrey have made a conscious move to make defensive technique a priority in the development stages, believing that the other side, the ball-striking aspect of modern cricket, will happen in any case. Share via Email Read more “We’ve gone back to what you might call ‘teaching the fundamentals’, presenting the full face of the bat, playing straight,” Townsend says. “It’s a conversation I’ve had with [the ECB’s lead batting coach] Graham Thorpe and he has concerns about the ability of young players to defend the ball. Look at the Test team now. We don’t have a one to three and we don’t know where they’re coming from.”Also on the way out: bowling machines, which just produce “bowling-machine players”. And do not event mention Merlin the spin robot. There is also talk of being wary of extreme physicality in young players, of the merits of the technician ahead of the power-player run-machine, of the difficulty of turning an athlete into a cricketer, as opposed to the other way round.“Cricket is such a skills-based game I don’t think it’s that easy,” Benge says. “If there is one exception to this, it’s Nat Sciver, a phenomenal athlete when she got into our programme in her mid-teens, who has gone on to learn the more technical side of the game in the international arena and is now a phenomenal cricketer. An exceptional cricketer has emerged from an exceptional athlete but that is generally an exception to the rule.”For now it seems clear this process still has plenty of distance left to run. If there is something more traditionally Surrey missing from the current blend – have you noticed? – it’s not an ingredient Townsend will mourn. “The Surrey strut?” he says. “I hate it. I got rid of it at our level. I’m not interested. I don’t want us to be perceived as arrogant or laddish. People say it’s about self-belief and self-confidence but we’re not having all that. Behaving well, being humble, that’s a really big part of it.” Cricket Topics How Surrey won the title: five factors behind County Championship canter The Spin: sign up and get our weekly cricket email. Support The Guardiancenter_img Share on LinkedIn Share on WhatsApp Surrey’s title-winning team featured 13 home-grown or academy players. Eight of nine championship hundreds en route to the title were scored by home-grown batsmen. Surrey took 216 wickets to win the title. Fifty went to the relentlessly brilliant Morne Morkel. The others, all 166 of them, were taken by home-grown Surrey-system bowlers.There will be a reflexive splutter in some quarters at suggestions the Oval, knows as “Colditz” to another generation, and home after that to some unpleasantly swaggering young cricketers, is now the model of a modern talent nursery. Surrey remain the richest county in England, powered along by the money-rinsing machine that is the Oval, also known as London’s biggest outdoor beer garden. They have some big-money signings on their books but look closer and something extraordinary has happened.This is a lineage that runs from the returning godfather Rikki Clarke to the 20-somethings Pope, Amir Virdi, Ryan Patel, Will Jacks, the Currans and plenty more. Add to that champion team four new home-developed Test players in the last eight months, in Curran, Curran, Pope and (fingers crossed) Burns. It seems fair to suggest this is the most successful cricket production line anywhere.Most systems do not work in sport. This one does, and sensationally well. Two of the men behind it are the academy director, the former Somerset cricketer Gareth Townsend, and the performance manager, Tom Benge. Townsend has been involved in coaching for 25 years, Benge has been at Surrey for 10. Talking to them you quickly realise the essence of this success is agreeably straightforward. There is no zany science. The ingredients are simple: strong finances and infrastructure; passionate coaches immersed in the process; freedom to run the system without interference; and a flow of talented human clay from a powerful club and private school system. Share on Facebook Reuse this content Since you’re here… Surrey Share on Twitter Share on Messenger Read more features England cricket team England weigh up Rory Burns’ Test credentials for Sri Lankalast_img read more

Maradona is ahead of Messi – World Cup legend PirloMaradona is ahead of Messi – World Cup legend Pirlo

first_imgLionel Messi Messi can’t overtake Maradona as best footballer ever unless he wins World Cup – Pirlo Carlo Garganese 20:07 6/11/18 FacebookTwitterRedditcopy Comments(21) Lionel Messi Diego Maradona Argentina South Korea World Cup 2010 06172010 Getty Images Lionel Messi World Cup Argentina The Italian legend says that the Barcelona ace will always be regarded as inferior to his Argentine compatriot unless he claims glory in Russia Lionel Messi can’t claim to be the best player of all time unless he wins the World Cup, according to Italy legend Andrea Pirlo.One of football’s biggest debates over the past decade has been whether Messi is superior to Argentine compatriot Diego Maradona.Maradona is regarded by many as the best footballer in history after virtually single-handedly taking a modest Argentina side to World Cup glory in 1986. Editors’ Picks Out of his depth! Emery on borrowed time after another abysmal Arsenal display Diving, tactical fouls & the emerging war of words between Guardiola & Klopp Sorry, Cristiano! Pjanic is Juventus’ most important player right now Arsenal would be selling their soul with Mourinho move And Pirlo believes that Messi – despite winning five Ballons d’Or and breaking countless records for Barcelona – can’t overtake Maradona until he also lifts football’s biggest prize.“It will be important for both Messi himself and for Argentina to win the World Cup in Russia,” Pirlo told Goal as he teamed up with Uber Eats ahead of Russia 2018.“Messi is always compared to Maradona but he needs to win the World Cup because if you don’t win the World Cup you can’t be up there with the very best.”Argentina’s preparations for Russia 2018 have been fraught with difficulties. They were thrashed 6-1 by Spain in a recent friendly and had their last game against Israel cancelled.But despite all the doom and gloom surrounding Messi’s chances of finally winning the World Cup at his fourth and probably final attempt, Pirlo believes that Argentina can do well at the tournament.Andrea Pirlo Marcel Desailly Harry Kewell Uber Eats“Argentina have had the time now to improve and find the right players for the World Cup and I think they are going to do well in Russia despite the big loss they had against Spain,” the Italian stated.“Argentina have a lot of good players and if their top players perform they are going to do well.”Pirlo played in three World Cups during his legendary career, famously lifting the trophy in 2006, but his last appearance four years ago in Brazil was a disappointing one as Italy were eliminated in the group stage after a 1-0 loss to Uruguay.That game is best remembered for Luis Suarez biting Giorgio Chiellini, an offence that went unpunished during the match but would see the striker banned for four months from all football activity. However, Pirlo explained that he holds no ill-will towards Suarez despite the incident being crucial in Italy’s elimination as the score was goalless at that time.“After the game, the Italy players and myself were just depressed by the result,” Pirlo recalled.“The biting incident was something else but we were more down because we had lost and gone out of the World Cup.“It was an incident that can happen on the pitch and in this case the referee didn’t see it.”Pirlo named Brazil as his favourites to win the World Cup in Russia, believing them to be the “most concrete” team in the finals while he also singled out England’s Harry Kane as a player he is looking forward to watching.Andrea Pirlo England Uber Eats“My favourite England player is Harry Kane,” Pirlo said.“He’s really good and powerful, he’s scored so many goals in the last years and he is one of the players I am going to follow closely at the World Cup.”Finally, after Italy failed to qualify for the World Cup for the first time in 60 years, Pirlo revealed that he will not be cheering on any other team instead.“As Italy are not there, I will not be supporting any team in particular. I’m going to watch all the games but I’m not going to support any teams,” he concluded.Andrea Pirlo will spend his first World Cup as a fan since 2002 at home with McDelivery from Uber Eats.With more than 3.2 billion people expected to tune in to watch the World Cup at home this year, McDonald’s, the official FIFA World Cup sponsor has partnered with Uber Eats to offer McDelivery in 26 countries for the first time ever during a FIFA World Cup.Fans can follow Uber Eats’ search for a team for Andrea to support this summer by searching #TeamForPirloAndrea Pirlo Mexico Uber Eatslast_img read more

Vigil held in Toronto church for LGBTQ victims of alleged serial killerVigil held in Toronto church for LGBTQ victims of alleged serial killer

first_imgTORONTO – At an emotional candlelight vigil in Toronto’s east-end Sunday, the city’s LGBTQ community gathered to remember the alleged victims of a serial killer as members of the community — not just victims.There was Majeed Kayhan, the 58-year-old man who loved Bollywood movies and dancing, or 49-year-old Andrew Kinsman, a known community figure who volunteered at an AIDS support group and was always willing to offer a helping hand to anyone.At the Metropolitan Community Church, a venue known for being one of the first institutions to marry same sex couples, pastors took a moment to remind mourners of the kinds of people the men were as they lit a candle for each.Reverend Sandra Morris also lit a sixth candle to remind those in attendance that police believe there are still a number of victims to be found.“We also remember that there others still missing and there maybe more victims before this nightmare ends,” said Morris.The other victims include Selim Esen, 44, who had immigrated from Turkey in search of a more accepting country; Dean Lisowick, who was either 43 or 44 when he died, and was described as a gentle soul who’d be the first to come to rescue in times of need; and Sorush Mahmudi, 50, whose circumstances were less known, but who left behind a wife and two children.The ceremony came after police charged Bruce McArthur, a 66-year-old landscaper, with first-degree murder in the deaths of five men in and around Toronto’s LGBTQ neighbourhood in what they called an unprecedented event for the city.Senior Pastor Jeff Rock used the event, which was packed full of mourners, to emphasize that solidarity and support for marginalized communities were important in the wake of the tragedy.“This week, the news has led many of us on an emotional roller-coaster,” said Rock, who implored people not to blame the victims, and to push aside any stigma about LGBTQ people.Leighton Ling, a man who often attends services at the Metropolitan Community Church, said he came to the event because he felt it was important to show support for the community“I could have been one of those persons. It affected so many people in the community because of that,” said Ling, who said a friend of his had known one of the dead men.“I’m glad that we have a space that we can come to and feel at ease, even if you don’t have the answers to the questions. It helps to make you feel better.”Morris said that the church would continue to offer support to anyone who needed it, as the police investigation continues and the scope of the tragedy becomes clearer.last_img read more

Inuk woman missing in Ottawa since AprilInuk woman missing in Ottawa since April

first_imgAPTN National NewsOttawa police need the public’s help finding a 39-year-old missing Inuk woman.Police said Mary Papatsie was seen in Ottawa near the end of April.Papatsie is described as about 5’2, 140-160 pounds, long straight dark hair and has a scar above her left eye from a piercing.Anybody with information is asked to call the Missing Person Unit at 613-236-1222, ext. 2355.last_img

Brock Media Clips for Wednesday Sept 6Brock Media Clips for Wednesday Sept 6

Here’s a look at some of the media attention Brock University received recently.Canada must join allies to solve North Korean crisis: The Toronto Star has picked up Brock professor Charles Burton’s opinion piece about the ongoing nuclear threats in North Korea. Burton also did a full round of CBC interviews Wednesday morning, including one with Metro Morning.The surprising reason why you need a recovery day: Men’s Health Singapore has written about research by Nota Klentrou, Brock kinesiology professor and associate dean. Klentrou looked at the importance of allowing the body to recover during high-performance training.St. Catharines Terry Fox Run moves to Brock campus: With high waters and construction causing headaches in Port Dalhousie, the 2017 Terry Fox Run is moving to the Brock University campus. Niagara This Week writes about the move.Did we miss something? If you know of an appearance or story about a Brock faculty member, student, athlete or alumni, please drop us a line with a link to the story at universitycom@brocku.ca read more

Radio 2 DJ Sara Cox stalked by paedophile who wrote to tellRadio 2 DJ Sara Cox stalked by paedophile who wrote to tell

first_img“Another breach of a restraining order he received 39 months for that offence that involved a nine-year-old girl. The defendant was living opposite a primary school and he saw her in the playground and followed her home. convicted paedophile Anthony Collins, 50, who has been sentenced to 16 months in jail after he stalked BBC Radio 2 DJ Sara Cox Sara Cox at Glorious Goodwood ladies day A convicted paedophile has been jailed for stalking Radio 2 DJ Sara Cox and possessing a stash of indecent images of children.Anthony Collins, 50, penned letters in distinctive capital felt tip letters and sent them to Ms Cox’s family home, printed off directions to her sister’s workplace and sent a letter to husband Ben Cyzer at his work address.Collins, who suffers from mixed personality disorder, used the TV presenter’s married name Cyzer and listed the broadcaster’s personal details in letters adding “I have done my research online”.Ms Cox reported the harassment to the BBC after Collins sent a letter to her husband which made her feel “immediately more scared”. Paedophile Anthony Collins, 50, was sentenced to 16 months in jailCredit:Kent Police/PA Sara Cox at Glorious Goodwood ladies dayCredit: EDDIE MULHOLLAND “She was extremely concerned and informed er work place, that envelope contained two letters in capital letters in different coloured felt tip pen they told her about himself and his feelings for her.”Reading extracts from the letters, Mrs Jacobson said Collins wrote that he was lonely, psychologically disturbed and had a long criminal history.One letter read: “I am poor, on DWP, and live in a poor bedsit for poor people, I am unhappy. I apologise for writing to your home address. I got it for £17 the internet.”In the letter, which had writing on both sides, Collins wrote: “My name is Tony Collins, I am tall and have green eyes. I know you are married to Ben, I am unsuccessful in my life.”You care a lot about people because it is in your nature, do not feel sorry for me Sara. Sara you are a lovely human being, sexy, attractive and an all round fantastic human being.”Mrs Jacobson added: “He said ‘Sara I like dogs and horses and referred to her dog by name and to horses being psychic and feel our feelings.'”Also in the envelope was a passport sized photo of the defendant. He said he had done his research online by himself.” The paedophile, from Kent, was once convicted for poisoning a 13-year-old girl in 2000 and was found with images of children aged four to 15 in his bedside drawers.At Maidstone Crown Court, Judge Martin Joy sentenced the stalker to 16 months behind bars.Mary Jacobson, prosecuting, said: “The victim is a radio broadcaster in national radio, she is a well known public figure.”Out of the blue on January 24 she received an envelope in the post which was addressed in capital letters in felt tip, she recognised the wording from a letter she had received at work the previous year. “In an echo of his previous convictions he found where she lived and hand delivered a letter to her titled ‘the young blonde girl’.”Inside was a £10 note and his phone number saying ‘text me’. The mother found out and asked who it was, the defendant said he was lonely and wanted someone to talk to.”Sentencing was delayed for psychiatric reports and the broadcaster applied for a restraining order preventing Collins from going to Ms Cox’s home, her workplace, her husband’s workplace and the DJ’s sister’s home address.But at Maidstone Crown Court Judge Joy refused the recommendations of Dr Hussain who suggested an interim hospital order for an assessment of Collins’ health.Instead he imposed a sexual harm prevention order and awarded a restraining order banning him from contacting Sara Cox and her immediate family.He said: “You wanted to be a deviant, quite plainly you have a preference for girls who are very young and doctors have come to the conclusion that there is no evidence that you have an acute mental illness, that you do manifest a personality disorder.”It is quite clear you have an obsessive personality.Collins has eight convictions for 13 offences dating back to 1991 including harassment and breaches of restraining orders. She added: “On February 7 this year Ben Cyzer was at work when an envelope was delivered to him, that envelope contained a diagram in felt tip of a cancer diagram.”She was immediately much more scared and the matter was reported to the police the next day.”Three days after the letter was delivered to Ben Cyzer Collins was arrested at his home in Chatham, Kent, where police found a Google Map print out showing directions to Ms Cox’s sister’s address.They also discovered 11 indecent images of children in sexual poses.At an earlier hearing Collins admitted harassment without violence, two counts of possessing indecent images of a child and two counts of making indecent images of a child.Referring to his previous convictions, the prosecutor said: “A 13-year-old girl had been confronted and he administered that poison in order to try and sedate her to attempt to try and have sex with her, he received 18 months for that offence.”She added: “There is a breach of a restraining order to two girls aged 6 and 7 and used sexually explicit language including do you know what sex is and what colour are your knickers. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily  Front Page newsletter and new  audio briefings.last_img read more

Matching the screening media with vibratory screensMatching the screening media with vibratory screens

first_imgCollaboration between the original equipment manufacturer (OEM) of vibratory screens and the screen media supplier is a key to ensuring the lowest possible cost of ownership while continuously meeting tonnage throughput requirements. According to Derrick Alston, Executive Director of vibratory screen OEM Kwatani, previously Joest, the company engineers screening machines for a certain weight and performance of screen panel.“We then test the screen extensively in our modern workshop facilities to ensure that the screen panels specified by the customer will deliver certain throughputs and end-products for that application,” says Alston. “When screens are later changed, they still need to be carefully integrated with the structural and mechanical features of the screening machine.”Kwatani custom engineers and manufactures vibrating equipment for all feeding and screening requirements, from smaller machines of less than a tonne to 50 tonne machines with throughputs of up to7,000 t/h.Kenny Mayhew-Ridgers, Kwatani’s Chief Operations Officer, says that once the machine is operating in the field, there are instances where panels are fitted that add substantial extra weight to the screen.“We sometimes find that the screening panels on our operating machines substantially exceed the weight of what the machine was initially designed to take,” says Mayhew-Ridgers. “This extra weight can change the dynamics and the centre of gravity of the screen so that for example, it is no longer aligned with the exciter drive. This can cause damage to the machine and even the building if not quickly identified and resolved.”Alston highlights the importance of keeping OEMs ‘in the loop’ when changing panel types, so that the fitting of new types of panel does not have unintended impacts that could be detrimental to the machine’s life-span or performance.“With our depth of expertise, we can advise from a mechanical point of view on areas where problems could arise,” he says. “We aim to cooperate with other stakeholders wherever possible, and have worked closely with end-users and panel suppliers to find optimal solutions.”Kwatani’s qualified and experienced in-house design and technology teams undertake custom designs to customers’ specific application and processing requirements. These designs are supported by finite element analysis (FEA) modelling competency, a sophisticated test laboratory, and years of research and development.As the picture shows, Kwatani vibrating screens are engineered with an application specific weight as well as for screen panel performancelast_img read more

NASA uses a fleet of satellites to record huge sun eruptionNASA uses a fleet of satellites to record huge sun eruption

first_imgThe sun is fascinating to observe due to all the activity present on its surface, and a 4 minute video that let us watch it spin for 3 years is proof of that. NASA used its Solar Dynamics Observatory (SDO) to capture the footage that made such a video possible, and now it has been used again to capture a huge eruption and coronal mass ejection on the left side of the sun.Such eruptions are by no means small, and the SDO can only view so much of the ejection. But NASA doesn’t just have one satellite looking at the sun, it has a whole team of them working together known as the Heliophysics fleet. So the data captured by each of these satellites was compiled and combined to produce the video of the May 1 eruption. You can watch it below:As you can see, the SDO field of view is quite limited when it comes to viewing an eruption. The rest of the data comes from the Solar and Heliospheric Observatory (SOHO) and the Solar Terrestrial Relations Observatory (STEREO). In the case of STEREO, the eruption was viewed from the far side of the sun as it is a third of an orbit ahead of Earth.To give you some idea of how powerful this eruption was, you only have to look at what SOHO was able to capture. On board SOHO is a Large Angle and Spectrometric Coronograph (LASCO) made up of three solar coronographs with nested fields of view (named LASCO C1, C2, and C3). Both C2 and C3 observed the eruption. C2 views up to 2.5 million miles out and C3 goes much further to 13.5 million miles. STEREO on the other hand was limited to just 6.3 million miles.last_img read more

Russian media claims CIA plotted to assassinate KaramanlisRussian media claims CIA plotted to assassinate Karamanlis

first_img Facebook Twitter: @NeosKosmos Instagram It has been one of the most outrageous and persistent claims of the Karamanlis devotees: that the former PM was targeted by US intelligence services and was in danger to be assassinated. Now these claims leave the realm of conspiracy theorists and get a serious treatment from Russian media.According to a documentary, broadcast on Russian television, as part of the news programme Vesti, Russian intelligence services had been aware of the plot, after intercepting a communication between CIA agents in 2009. They were discussing a plan to remove then Greek PM Kostas Karamanlis from office by any force necessary, including assassination. The plan would include no less than seven terrorist groups. According to the documentary, Karamanlis became a target of the US because of his pro-Russia stance on foreign policy and economic collaboration. The conservative PM was an advocate for strengthening the ties between Greece and Russia and his policy included the participation of Greece in the Burgas-Alexandroupoli pipeline and the Southern Stream pipeline projects.last_img read more

Port of Vancouver jockeys for oil transfer terminalPort of Vancouver jockeys for oil transfer terminal

first_imgThe Port of Vancouver Board of Commissioners will convene two public workshops this coming week as it continues to examine a proposed crude-oil facility.Both discussions will occur after the board’s regular public meeting, to be held 9:30 a.m. Thursday at 3103 N.W. Lower River Road.The first workshop will focus on the state Energy Facility Site Evaluation Council’s role in the process.The other will feature a presentation by Tesoro Corp. and Savage Companies.A distant U.S. oil boom is creating an opportunity for the Port of Vancouver to fill its expanding rail tracks, pump up revenues and create jobs.But the opportunity, in the form of a crude oil transfer terminal, comes with risks to the environment. And, for the first time, the final go-ahead would have to come from Washington’s governor instead of the port’s Board of Commissioners.The plan offered by Tesoro Corp. and Savage Companies is designed to initially handle 120,000 barrels of oil per day with the potential to expand to 280,000 barrels. Under a regulatory framework stretching to 1970, the companies must secure final approval from Democratic Gov. Jay Inslee.The governor recently signed a bill into law that will produce recommendations for reducing carbon emissions — triggered by the burning of fossil fuels such as oil and coal — to fight global warming. Nevertheless, port managers hope the project wins Inslee’s favor. They are laying the groundwork to move it ahead, including crafting terms of a lease agreement they hope to recommend to the port’s three elected commissioners by July 23.last_img read more

Man injured cited for speeding in I5 crashMan injured cited for speeding in I5 crash

first_imgA man was injured in a single-vehicle crash on northbound Interstate 5 near Northeast 179th Street early Wednesday morning.Christopher W. Adams, 25, of Dallas, Ore., was driving a 2001 Audi north on the highway at about 2:20 a.m., when Washington State Patrol troopers say he was going too fast and lost control. The vehicle went into the median and struck a cable barrier before stopping in a dirt embankment, according to the State Patrol.Adams was taken to Legacy Emanuel Medical Center in Portland, where he was treated and released. He was cited for speeding.last_img read more

Chris Hughes Plans to Sell The New RepublicChris Hughes Plans to Sell The New Republic

first_img Within two years, Hughes brought in Yahoo! News chief Guy Vidra as CEO, who declared his intention to revive the brand as a “vertically-integrated digital media company.” Print frequency was cut again—down to 10 issues per year—and an internal staff crisis was triggered. One year after a frequency reduction, the mass exodus of dozens of editors, and a move to New York, Chris Hughes, the Facebook co-founder who bought a majority stake in The New Republic in 2012, announced today that he’s putting the century-old magazine up for sale. Naming digital-first organizations like Vox, Vice, Buzzfeed, and Mic as examples of companies who’ve found sucess putting quality journalism front-and-center, Hughes writes that The New Republic “needs a new vision that only a new owner can bring.” Hughes ends the memo by stating that he’ll be holding conversations with interested parties in the coming weeks, suggesting that one possibility could include The New Republic living as a “center-left institute of ideas” within a larger digital media company. In the end, nearly 30 staffers, including editor Franklin Foer, resigned (or were forced out, depending on who you ask), many of them expressing dissatisfaction with the direction in which Hughes and Vidra were taking the company. “As these conversations unfold, our staff will remain in place and fully supported over the coming weeks,” Hughes concludes. “It’s time for the next chapter to begin.” “It’s hard for me to imagine a future ten years from now where print still has the same penetration and the same reach that it does today,” Hughes had told Folio: at the time. “Even if print is important now, in the next few years digital is going to be even more important.” “As many know, in 2014 I broke with legacy editors over fundamental questions of how digitally-oriented and business-focused this place should be,” Hughes writes in the memo. “It was clear then, as it is now, that any acrimony was motivated by deep passion and care for an institution that is bigger than any one of us.” “Over the past few years we have made good progress in reinvigorating this institution,” Hughes continues, citing a younger and more diverse audience that has mostly arrived through The New Republic’s digital channels, as well as the company’s newly-launched brand marketing studio, Novel.  The New Republic is seeking a new buyer. “I underestimated the difficulty of transitioning an old and traditional institution into a digital media company in today’s quickly evolving climate,” Hughes explained in a staff memo Monday morning announcing his plans to sell. “After investing a great deal of time, energy, and over $20 million, I have come to the conclusion that it is time for new leadership and vision at The New Republic.” “We have made it possible for The New Republic to survive and begin to flourish in its second century,” adds Hughes. The magazine Hughes purchased in 2012 was one with an uncertain future. The New Republic was in the thick of a transition from a weekly print product to a biweekly print and web hybrid, and its profitability was questionable. last_img read more

Foreigners intruding in guise of relief workers PMForeigners intruding in guise of relief workers PM

first_imgPrime Minister Sheikh HasinaPrime minister Sheikh Hasina has said the government is aware of intrusion of many foreigners into Bangladesh under cover of relief workers.Such intrusion, she added, might lead to trafficking of children and women, sexual abuse, terrorism and many other social problems.”The government is issuing special-category visas for relief workers to address the problem,” she said when Canada’s Special Envoy to Myanmar Bob Rae met her at her hotel suite in Toronto on Monday.The prime minister urged the envoy to bring it to the government’s notice if there is any difficulty in getting visa by foreign relief workers for working in Rohingya shelter camps. “The government is cautiously dealing with the matter as many foreign nationals are working in the Rohingya camps after coming to Bangladesh with tourist visas,” she said.The prime minister’s press secretary Ehsanul Karim briefed reporters after the meeting.He said Bob Rae informed the prime minister that he has prepared a report on his visit to the Rohingya shelter camps in Bangladesh made in November 2017.During the visit, Bob said, he himself saw the situation and conditions Rohingya Muslims were facing fleeing violence in Myanmar.”Hosting more than one million people is a big challenge,” Bob Rae observed, saying they are closely working with the Bangladesh government to address the Rohingya issue.The press secretary said Sheikh Hasina and Bob Rae discussed the sufferings Rohingya might undergo during the coming monsoon as the area they have taken shelter is prone to natural calamities, including mudslide and flood.The prime minister informed the envoy about Bangladesh’s disaster management preparedness, saying a trained group of people along with law enforcement agencies, border guards, army and political party workers is ready to tackle any situation.Later, deputy premier of Saskatchewan and trade and export development minister Gordon Wyant, QC and immigration and career training minister Jeremy Harrison made met prime minister Sheikh Hasina at her hotel room.They discussed matters relating to trade and investment and recalled Canada’s very special trade relations existing with Bangladesh for many years.They congratulated the prime minister for Bangladesh’s economic successes in recent years under her dynamic leadership, showing keen interest in enhancing the trade relations and technology transfer, particularly green technology.Sheikh Hasina recalled the historical relations between Bangladesh and Canada since Bangladesh’s independence and said the two countries have many scopes to further strengthen cooperation in various areas, particularly in education and nursing sectors.Later, a business delegation, led by president and CEO of Commercial Corporation of Canada, made a courtesy call on the prime minister. The delegation was included a number Bangladeshi-origin Canadian businessperson.The prime minister urged them to invest in Bangladesh taking the opportunities of the country’s very liberal trade regime. A trade delegation from Bangladesh would soon visit Canada to explore the trade and investment potential, she said.Foreign minister AH Mahmood Ali, the prime minister’s principal sectary Md Nojibur Rahman, chairman of Bangladesh Investment Development Board (Bida) Kazi Md Aminul Islam, foreign secretary Md Shahidul Haq and Bangladesh high commissioner to Canada Md Mizanur Rahman were present.last_img read more

Instagram Might Be Deleting Its Direct Messaging App SoonInstagram Might Be Deleting Its Direct Messaging App Soon

first_imgStay on target You might not be able to slide into anyone’s DMs soon: Instagram is reportedly killing its standalone direct messaging app.Matt Navarra, a social media industry commentator, along with some users in the Google Play Store, recently reported that they received a puzzling message when they used the Direct for Instagram app, CNET reported. It said “the Direct app is going away” in the coming month.Instagram is already killing its standalone Direct messaging app? @mosseri ? pic.twitter.com/sr0c90PzEc— Matt Navarra (@MattNavarra) May 15, 2019AdChoices广告Confirmed: Instagram is killing its standalone Direct Messaging app pic.twitter.com/owt2gXtfCE— Matt Navarra (@MattNavarra) May 16, 2019“In the coming month, we’ll no longer be supporting the Direct app,” the message said. “Your conversations will automatically move over to Instagram, so you don’t need to do anything.”The message didn’t give a specific date for the app kill, however, your conversations will be automatically moved to the main Instagram app and it won’t delete your DMs, Engadget noted.Instagram first rolled out the Direct app in December 2017, and since this time, it has featured Giphy GIFs and a web version for desktop computers. Despite some benefits of using the Direct app, it didn’t quite take off like the main application and it remained in beta.For more information on DM assistance, visit Instagram’s Help Center.More on Geek.com:Photo of ‘Enormous’ Wolfdog at Florida Sanctuary Goes Viral on InstagramInstagram Rolls Out In-App Shopping FeatureInstagram Will Block Anti-Vaccine Hashtags From Its Platform Adorable Puppy Born With ‘Fur Mustache’ Goes Viral on InstagramFree Area 51 Aliens ‘Training’ Video Takes Over Instagram last_img read more

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first_imgMacarthur Cancer Therapy CentreIn the summer of 2014, the Macarthur Cancer Centre at Campbelltown Hospital replaced its two aging Siemens linear accelerators with Versa HD systems. The clinic previously had no cone beam computed tomography (CBCT) or volumetric modulated arc therapy (VMAT) capabilities.”With Versa HD, all of our prostate cases now get daily CBCT scans, enabling us to characterize the tumor and its position during treatment much more accurately than we could before,” says Dion Forstner, M.D., director of radiation oncology. “Also, our previous systems allowed only simpler beam shaping. With the Agility multileaf collimator on Versa HD, beam shaping is far superior and much faster. Treatment time is substantially less using Versa HD, particularly for IMRT [image-modulated radiation therapy] cases. For example, on a head-and-neck IMRT case, we save about 10 minutes, so we can treat at least three patients in an hour, whereas before we were struggling to treat two patients in that time.”With improved imaging capabilities and High Dose Rate mode using flattening filter-free (FFF) technology, unique to Versa HD, Macarthur Cancer Therapy Centre clinicians are ramping up a stereotactic body radiation therapy (SBRT) program.”We will be using Versa HD for SBRT of lung, liver and especially prostate cases, and we’ve treated our first SBRT case, a patient with lung cancer,” Forstner notes. “Implementing SBRT also will now allow us to participate in multicenter SBRT trials.”He adds that with both Versa HD systems up and running, the cancer center will be able to increase its capacity by at least 30 percent or 12 additional patients per day. This is critical in a region expected to experience a 48 percent growth in those aged over 65 between 2012 and 2021. News | Proton Therapy | August 06, 2019 IBA Signs Contract to Install Proton Therapy Center in Kansas IBA (Ion Beam Applications S.A.) recently signed a contract and received the first payment for a Proteus One solution… read more Catalyst PT image courtesy of C-RAD Following radiation, the bone marrow shows nearly complete loss of blood cells in mice (left). Mice treated with the PTP-sigma inhibitor displayed rapid recovery of blood cells (purple, right). Credit: UCLA Broad Stem Cell Research Center/Nature Communications News | Brachytherapy Systems | August 14, 2019 Efficacy of Isoray’s Cesium Blu Showcased in Recent Studies August 14, 2019 — Isoray announced a trio of studies recently reported at scientific meetings and published in medica read more January 12, 2015 — Elekta’s Versa HD system is making its clinical debut or preparing to treat patients at three Australian centers. On Oct. 1, 2014, Macarthur Cancer Therapy Centre at Campbelltown Hospital (Campbelltown, NSW) became the first clinic in Australia to treat patients on one of its two Versa HD systems. On Nov. 10, Adelaide Radiotherapy Centre followed suit with its first Versa HD patient treatments. Nelune Comprehensive Cancer Centre at Prince of Wales Hospital (Randwick, NSW) is making preparations to begin treating patients on its Versa HD system. Versa HD is Elekta’s latest-generation linear accelerator, equipped with advanced beam-shaping and high dose rate technologies. News | Patient Positioning Radiation Therapy | August 15, 2019 Mevion and C-RAD Release Integration for Improved Proton Therapy Treatment Quality Mevion Medical Systems and C-RAD announced the integration between the C-RAD Catalyst PT and the Mevion S250i proton… read more News | Radiation Therapy | August 16, 2019 Drug Accelerates Blood System’s Recovery After Radiation, Chemotherapy A drug developed by UCLA physician-scientists and chemists speeds up the regeneration of mouse and human blood stem… read more News | Proton Therapy | August 08, 2019 MD Anderson to Expand Proton Therapy Center The University of Texas MD Anderson Cancer Center unveiled plans to expand its Proton Therapy Center during a… read more Related Content News | Radiation Therapy | August 15, 2019 First Patient Enrolled in World’s Largest Brain Cancer Clinical Trial Henry Ford Cancer Institute is first-in-the-world to enroll a glioblastoma patient in the GBM AGILE Trial (Adaptive… read more center_img The top piece of content in July was a video interview explaining how Princess Margaret Cancer Center is using machine learning to create automated treatment plans. This was a hot topic at the American Association of Physicists in Medicine (AAPM) 2019 meeting in July.  News | Radiation Therapy | August 02, 2019 Varian Showcases Cancer Care Systems and Software at AAPM 2019 Varian showcased systems and software from its cancer care portfolio, including the Identify Guidance System, at the… read more News | January 12, 2015 Three Australian Clinics Add Elekta’s Versa HD Radiation Therapy System Two centers treating patients, one preparing for clinical start-up News | Patient Positioning Radiation Therapy | August 07, 2019 Qfix kVue One Proton Couch Top Validated by Mevion Medical Systems Qfix and Mevion Medical Systems announced that a special version of the kVue One Proton couch top is now both validated… read more Feature | August 05, 2019 | Dave Fornell, Editor Most Popular Radiology and Radiotherapy Topics in July 2019 August 5, 2019 — Here is the list of the most popular content on the Imaging Technology New (ITN) magazine website fr read more Adelaide Radiotherapy Centre (ARC)The new Versa HD system at ARC’s St. Andrew’s Hospital location will enable clinicians to commission several advanced radiotherapy techniques for a range of cancer conditions, according to ARC radiation oncologist Marcus Dreosti, M.D.”Versa HD really changes how we can treat cancer in so many ways,” he says. “It will expand the range of cancers that can be successfully managed with radiation and shorten treatment times, which reduces the impact on patients’ quality of life. We are able to be so precise in targeting tumors that in certain clinical applications we can deliver higher doses in fewer treatments and achieve better outcomes with fewer complications.” The MD Anderson Proton Therapy Center expansion is expected to be completed in 2023. Rendering courtesy of Stantec. Nelune Comprehensive Cancer CentrePrince of Wales Hospital’s Nelune Comprehensive Cancer Centre recently replaced two Siemens linear accelerators with an Elekta Infinity system and a Versa HD system, which join an Elekta Axesse system the center purchased in 2009. Elekta Infinity is now clinically operational, and Versa HD will be commissioned in 2015.”With Versa HD, we’re looking forward to shorter treatment times, particularly for simpler treatments, such as prostate cases, and better dose distributions for conventional IMRT cases and for VMAT once we start using that technique,” says Michael Jackson, MD, radiation oncology center director.Versa HD will be a welcome addition to Nelune’s intra- and extra-cranial SBRT program, he adds.”We will use the system mainly for cancers in the brain, lung, liver, pancreas and spine, in which the ultra-conformal beam shaping capabilities of Versa HD are especially important.”For more information: www.versahd.com FacebookTwitterLinkedInPrint分享 News | Radiation Oncology | July 31, 2019 Laura Dawson, M.D., FASTRO, Chosen as ASTRO President-elect The members of the American Society for Radiation Oncology (ASTRO) elected four new officers to ASTRO’s Board of… read morelast_img read more

ExPresident José María Figueres quits presidential raceExPresident José María Figueres quits presidential race

first_imgRelated posts:Former Costa Rican President José María Figueres confirms 2014 presidential bid Figueres presents ‘Way Forward’ for Costa Rica Ex-President Figueres coming home ‘soon’ Prosecutors Request Figueres Corruption Case Dismissed Former Costa Rican President José María Figueres Olsen (1994-1998) withdrew his bid for the presidency in the ruling National Liberation Party (PLN) primaries for the upcoming 2014 elections.“I will devote all my energy and experience to work in a multifaceted project to build the country’s future, a project called Vía Costarricense [the Costa Rican Way],” Figueres said in a statement Wednesday evening. He confirmed Thursday morning at a press conference that he was dropping out of the race and planned on moving back to Costa Rica permanently.“I think I can do a lot for Costa Rica without having to head the government,” he added.Since his return to the country for the first time in 11 years on Dec. 22, after living in Europe, Figueres appeared as one of the strongest contenders for the PLN nomination.He said at the time he was working on the Costa Rican Way project, gathering suggestions from citizens on how to build a better country. The project also involves a number of experts from political, social and economic fields.The daily La Nación published on Thursday a poll showing that San José Mayor Johnny Araya leads among probable candidates in the PLN, with 16 percent voters, followed by Figueres and Rodrigo Arias, both with 6 percent.Figueres said he would not officially back any candidates in the race. Liberation primaries are scheduled for April 2013. Facebook Commentslast_img read more

Amatara Wellness Resort has joined with Bangkok HoAmatara Wellness Resort has joined with Bangkok Ho

first_imgAmatara Wellness Resort has joined with Bangkok Hospital Phuket’s Brain Health Institute to bring a world first in integrative health care. The brain health enhancement programme is a highly personalised and industry-leading programme that combines the highest level of preventative health care integrated with a luxury wellness vacation. The programme centres on the health and longevity of the most vital organ: the brain. Dr Prattana Punnakitikashem, Managing Director, Amatara Wellness Resort explains:“It is recommended for any adult seeking to understand from a personalised, integrative medical standpoint that lifestyle practices, sleep hygiene and diet are most beneficial to the brain. This includes preservation of cognition, circulation, memory, motor function and many other aspects needed for a healthy central nervous system. The programme helps to suggest ways to enhance and preserve brain health and prevent the decline of function over time.”The focus of the programme is on Alzheimer’s prevention and is highly recommended for three groups of people: Those with a family history of the disease, for the purposes of early intervention; anyone wishing to improve or maintain their brain health and cognition and take conscious steps against age-related cognitive decline; and individuals whose daily life includes a lot of stress or long working hours.The brain health enhancement programme begins within the comfortable setting of the Brain Health Institute, where an evidence-based approach is taken to understanding the patient’s health status. Over 2 nights and 3 days, patients are guided by a team of medical professionals through a series of tests and medical treatments. Between tests, patients can enjoy nutritionally personalised meals, one-on-one exercise, meditation and stress management, as well as accommodation specifically designed for high quality sleep and relaxation. Personal assistants are assigned to support and guide the patient throughout. The stay at the Brain Institute is followed by 5 nights at Amatara Wellness Resort. The partnership between the Brain Institute and Amatara means that patients can be sure that the interventions, dietary plan and exercise that have been recommended are seamlessly integrated into the resort stay, all within the luxurious wellness retreat setting of Amatara. Each room at Amatara, located in Cape Panwa, Phuket, enjoys majestic views of the Andaman Sea.last_img read more

Related Free Flight Upgrade have you ever had oneRelated Free Flight Upgrade have you ever had one

first_img RelatedFree Flight Upgrade: have you ever had one? VOTE NOW!The free upgrade. It’s the golden ticket to a flight of luxuryFlirty Flying: ever flirted with a passenger you just met?Flirty Flying: ever flirted with a passenger you just met?Choosing a flight: what is most important to you? VOTE NOW!Choosing a flight: what is most important to you? VOTE NOW! Many people don’t know that if you have cancelled a flight, you can still claim back the tax that you paid in full.Have you ever claimed?VOTE NOW!<a href=”http://polldaddy.com/poll/3465927/” mce_href=”http://polldaddy.com/poll/3465927/”>Tax refunds on cancelled flights: have you ever claimed?</a><span style=”font-size:9px;” mce_style=”font-size:9px;”><a href=”http://polldaddy.com/features-surveys/” mce_href=”http://polldaddy.com/features-surveys/”>survey software</a></span> ReturnOne wayMulti-cityFromAdd nearby airports ToAdd nearby airportsDepart14/08/2019Return21/08/2019Cabin Class & Travellers1 adult, EconomyDirect flights onlySearch flights Maplast_img read more