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If one end of a piece of metal is kept over fire, you probably don't want to hold the other end in your hand. This is because conductors of electricity also conduct heat. Yet, here, Dr. Alireza Nojeh reports on an unusual and counter-intuitive phenomenon called Heat Trap, whereby heat stays confined to a region of a conductor, without spreading to the surroundings.
Recent paper generates lively discussions on reddit and Hacker News Back in 2000 processor scheduling was thought to be a solved problem in operating systems. The multicore era demanded new optimizations, which eventually made schedulers complex and prone to bugs. In a paper prepared for EuroSys16, Prof. Sasha Fedorova, and her colleagues investigate bugs in the Linux scheduler that waste cores by leaving them idle while applications are waiting to run, and create new tools to help keep these bugs at bay.
An automated system for delivering anesthetic developed at UBC just completed a 400 patient clinical trial and is ready for the next step towards regular inclusion in clinical practice. Icontrol-RP automatically dispenses medication every five seconds. The level of anesthetic is carefully controlled for individual patients during surgery. "We give exactly what that particular patient needs. Nothing more, nothing less," says Professor Guy Dumont.
Dependable Systems Lab wins Distinguished Paper Award at EDCC 2015 Everyone who owns a computer knows a thing or two about security software. One thing we have all learned is that security software can be cumbersome. On a system as complex, personalized and terrifically useful as a laptop, the benefits of running security software outweigh the costs.
Could we efficiently generate electricity through photosynthesis like a plant, store energy organically, use components that do not harm the environment and use up carbon dioxide while doing it? Sounds good but how could we get there? Meet the purple bacteria.