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Engineering News

Crashes increase when speed limits dip far below engineering recommendation

Speed limits set only five miles per hour below engineering recommendations produce a statistically significant decrease in total, fatal and injury crashes, and property-damage-only crashes, according to a group of Penn State researchers. “If (however) you lower the speed limit by 10, 15, 25 miles per hour, or more, drivers stop paying attention,” said Vikash Gayah, assistant professor of civil engineering. “We found there was an increase in fatal and injury crashes at locations with posted speed limits set 10…

Facebook joins MLPerf, open-sources Mask R-CNN2Go

Facebook has long supported open standards and interoperability between frameworks and hardware for driving machine learning (ML) innovation with projects like Open Neural Network Exchange (ONNX) and PyTorch. Developing industry-standard ML models and benchmarks will enable researchers and engineers to better evaluate and demonstrate the impact of their work. This is why we are supporting the MLPerf initiative. As part of this support, we are also open-sourcing Mask R-CNN2Go, our leading-edge computer vision model optimized for embedded and mobile devices.…

Hearing loss is a risk factor for premature death — ScienceDaily

A new study links hearing loss with an increased risk for mortality before the age of 75 due to cardiovascular disease. Researchers at the Robert N. Butler Columbia Aging Center at Columbia University Mailman School of Public Health found that mortality among those with hearing loss is elevated, particularly among men and women younger than age 75 and those who are divorced or separated. However, mortality risk was diminished in adults with a well-hearing partner. This is the first study…

To guide cancer therapy, device quickly tests drugs on tumor tissue

MIT researchers have 3-D printed a novel microfluidic device that simulates cancer treatments on biopsied tumor tissue — and keeps the tissue alive for days — so clinicians can better examine how individual patients will respond to different therapeutics. Credit: Massachusetts Institute of Technology MIT researchers have 3-D printed a novel microfluidic device that simulates cancer treatments on biopsied tumor tissue, so clinicians can better examine how individual patients will respond to different therapeutics—before administering a single dose. Testing cancer…

More consistent LuaJIT performance

This is a guest post by Laurence Tratt, who is a programmer and Reader in Software Development in the Department of Informatics at King’s College London where he leads the Software Development Team. He is also an EPSRC Fellow. A year ago I wrote about a project that Cloudflare were funding at King’s College London to help improve LuaJIT. Our twelve months is now up. How did we do? The first thing that happened is that I was lucky to…

Modernizing the Web Playback UI – Netflix TechBlog – Medium

Since 2013, the user experience of playing videos on the Netflix website has changed very little. During this period, teams at Netflix have rolled out amazing video playback features, but the visual design and user controls of the playback UI have remained the same. Over the past two years, the Web UI team has had a long running goal to modernize the user experience of playback for our members. Playback consists of three primary canvases: Pre Play: A video to…

OAuth Auth Server through Workers

Let’s pretend I own a service and I want to grant other services access to my service on behalf of my users. The familiar OAuth 2.0 is the industry standard used by the likes of Google sign in, Facebook, etc. to communicate safely without inconveniencing users. Implementing an OAuth Authentication server is conceptually simple but a pain in practice. We can leverage the power of Cloudflare Workers to simplify the implementation, reduce latency, and segregate our service logic from the…

Stronger pesticide regulations likely needed to protect all bee species, say studies — ScienceDaily

Pesticide regulations designed to protect honeybees fail to account for potential health threats posed by agrochemicals to the full diversity of bee species that are even more important pollinators of food crops and other plants, say three new international papers co-authored by University of Guelph biologists. As the global human population grows, and as pollinators continue to suffer declines caused by everything from habitat loss to pathogens, regulators need to widen pesticide risk assessments to protect not just honeybees but…

How Airbnb is Boosting Data Literacy With ‘Data U Intensive’ Training

Since we introduced Airbnb’s Data University, the program has continued to thrive and evolve. One improvement has been the addition of team-specific trainings with content tailored to the work of that team. In this post, we describe the impact of this addition and the lessons learned in its implementation. What is Data University? Data University is Airbnb’s dynamic data education program, with the vision to empower every employee to make data-informed decisions. Fifty-five volunteers within Airbnb make up a faculty…

Faster Neural Networks Straight from JPEG

By Lionel Gueguen, Alex Sergeev, Rosanne Liu, & Jason Yosinski Neural networks, an important tool for processing data in a variety of industries, grew from an academic research area to a cornerstone of industry over the last few years. Convolutional Neural Networks (CNNs) have been particularly useful for extracting information from images, whether classifying them, recognizing faces, or evaluating board positions in Go. At Uber, we use CNNs for an assortment of purposes, from detecting objects and predicting their motion…