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Category: Computer Engineering

Aerial drones deliver sweet spot for HAB research at VIMS

These are bloom streaks in the York River beneath the Coleman Bridge on July 27, 2017. Note the turbulence caused by the flood tide carrying the bloom past the bridge piling. Credit: VIMS professor Donglai Gong. Harmful algal blooms or HABs are notoriously difficult to sample. They can appear abruptly when growing conditions are right, and disappear just as quickly when conditions deteriorate. They also shift with tides and currents, or even the wake of a passing vessel. Now, researchers…

Common Issue Detection for CPU Profiling

The issues encountered are varied, but some common patterns have emerged: LoggingLogging is very common in services, and is expected to be cheap. However, older logging frameworks, synchronized loggers, short-lived logger objects, and function evaluations during logging can all have performance effects. Upgrading from Apache’s log4j1 library to log4j2 with asynchronous logging can result in dramatically better performance—even a 4x throughput improvement in some cases. SecureRandomjava.security.SecureRandom methods are potentially very slow due to blocking for entropy generation, and may also…

Big sellers like Toyota Camry, Ram getting updates in 2018

This file image provided by Tesla Motors shows the Tesla Model 3 sedan. Tesla Motors Inc. reports earnings on Wednesday, Aug. 2, 2017. (Courtesy of Tesla Motors via AP, File) After seven straight years of growth, U.S. sales of new vehicles could be hitting their peak. That’s putting extra pressure on automakers to update their vehicles and hang on to their market share. Some important vehicles are getting revamps for the 2018 model year, including the Toyota Camry, which has…

Protecting Your Phone from Physical Damage

These days, smartphones are more than capable of withstanding the rigors of daily use. However, they might not sustain irreparable damage. Proper case and usage can prolong the life of your device, but the least you can do is follow some easy tips that will let your phone perform its best for many years. Here are some measures you can take to protect your phone from physical damage. Get a Good Screen Guard The screen of a smartphone is its…

New technology could revolutionise smartphone use

Credit: University of St Andrews An innovative technology, created by researchers at the University of St Andrews, can allow your smartphone to carry out a range of tasks just by recognising the surface it is sitting on. SpeCam, is a program which would enable existing phones to utilize their camera function to recognise different materials it is exposed to. This would link up with a previously created database so the phone could “understand” what type of surface it has been…

Dr. Steve Goodman’s Work as a Field Biologist in Madagascar » Curious Cat Science and Engineering Blog

Dr. Steve Goodman’s Work as a Field Biologist in Madagascar Posted on September 2, 2017  Comments (0) Dr. Steve Goodman‘s work is a legendary Field Biologist and spends 9-10 months out of the year conducting research in other countries, with a focus on Madagascar for nearly 30 years. Learn more about the future of Madagascar’s biodiversity and research. This video is from the great Brain Scoop channel with Emily Graslie; if you are not following that channel I highly recommend…

Portland (Oregon): Cloudflare’s 117th Data Center!

Even as the luckiest amongst us across the US West Coast dashed off to Oregon to be closer to the solar eclipse path of totality, Cloudflare engineers were busy turning up our newest data center in Portland. This deployment serves as our 27th data center in North America alone, and our 117th globally. It also provides additional redundancy to our Seattle and San Jose data centers, while increasing our capacity to run services and fight growing attacks. The Silicon Forest…

Scientists clear the chatter of buck converters

Buck converters, also known as step down converters, are chatty Cathys. The systems produce less power than they receive, and the tracking signals in the output can get stuck—the result is a small but harmful frequency fluctuation. A research team composed of scientists from Golestan University, Concordia University, and Delft University of Technology has proposed a way to cut the chatter. The researchers published their study in IEEE/CAA Journal of Automatica Sinica (JAS), a joint publication of the IEEE and…