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Author: engineering

Artificial intelligence helps soldiers learn many times faster in combat

Army researchers and their academic partners find artificial intelligence techniques that allows US soldiers to learn 13 times faster. Credit: US Army illustration New technology allows U.S. Soldiers to learn 13 times faster than conventional methods and Army researchers said this may help save lives. At the U.S. Army Research Laboratory, scientists are improving the rate of learning even with limited resources. It’s possible to help Soldiers decipher hints of information faster and more quickly deploy solutions, such as recognizing…

How drones could improve crop damage estimates

A UAlberta researcher is testing drone technology during the 2018 growing season to find out whether it can help farmers and insurance adjusters get better estimates of crop damage caused by weather. Credit: University of Alberta Farmers and insurance companies may soon get more accurate estimates of weather-related crop damage thanks to a University of Alberta researcher working with existing drone technology. Post-doctoral fellow Virginia Garcia Millan is testing whether algorithms used in drones for existing applications, such as hydrology…

Stretchable smart sensor a promising alternative to painful blood tests

Credit: Anneka, Shutterstock Researchers have created a flexible, wireless sensor worn on the skin which monitors the pH of the wearer’s sweat in real time. Developed in the course of the EU-funded project CONTEST, the device is a stepping stone towards eliminating invasive blood tests when monitoring chemical levels in the body. Monitoring chronic conditions such as diabetes and kidney disease currently involves drawing blood from the patient’s body. However, the substances tested in the blood such as glucose and…

How automation will make oil rigs safer

Automation could help us avoid future disasters. Credit: US Coast Guard Offshore oil rigs can be extremely dangerous places to work. Over the last few decades, several offshore explosions have led to environmental disasters and the death of workers. Regulations have so far failed to stop fatal accidents from occurring. But with developments in technology, particularly the rise of automation, we’re hoping that future accidents can be reduced. Small offshore rigs are the subject of research for automated monitoring systems,…

Impact of a real-world intervention offers a lesson for other cities — ScienceDaily

A study by researchers from the National University of Singapore (NUS) and the University of Sao Paulo revealed that a beltway constructed to divert heavy-duty diesel vehicles traffic in the Brazilian city of Sao Paulo has reduced public health damage associated with exposure to diesel. The positive health outcomes of the intervention could guide the formulation of similar transport polices in other cities, where humans and diesel vehicles reside and transit in close proximity. In densely populated cities like Sao…

A Summer of Work and Fun at Coursera – Coursera Engineering – Medium

By Sidwyn Koh Hello, fellow Coursera learners! I’m Sidwyn, a rising Computer Science junior at the University of California, Berkeley. This summer, I had the chance to embark on an exciting journey as an intern on the Content Experience and Teaching Product Team (also known as the Content team) at Coursera. How It All Began As a student of the world, I have always been interested in education and technology. After running and eventually selling a company in Singapore that taught…

Source Maps are Great … When You Get It Right – Coursera Engineering – Medium

By eleith we recently updated our asset bundling and naming scheme to improve our site speed and cache-ability. we achieved our goals, but the more we mangle and bundle our code, the more we introduce ways in which bugs show up only in production. making our development environment better match our production environment will go a long way in helping not only debugging these issues but preventing them. it’s a long path and step one is sourcemaps. sourcemaps took a…

Javascript Technologies with Jon Wong

By Lewis Chung Today I’m excited to release the first episode of our engineering podcast! These podcasts will supplement our blog posts as another medium through which we can share the work we do at Coursera. Expect to get topics along the lines of product/design inspiration, architectural design of products, lessons learned, war stories, exploration of interesting or novel technologies, etc. Because not everything can be covered in the conversations — for instance it’s hard to describe a graph structure without a…

Moving Fast and Securing Things – Several People Are Coding

For development teams, process can often be antithetical to speed. Ease of deployment and security tend to have an inverse relationship, with some resentment for the security team occasionally mixed in. You may have seen the following tweet: https://twitter.com/petecheslock/status/595617204273618944?lang=en We believe things don’t have to be like that. In this post, we will discuss how we’ve implemented our Security Development Lifecycle (SDL) at Slack, our lessons learned, and the tool we’ve built — and are open sourcing — that makes it all possible! A…

Researchers say racial and ethnic disparities are narrowing — ScienceDaily

Researchers at the Johns Hopkins Bloomberg School of Public Health contributed to a new U.S. Centers for Disease Control and Prevention (CDC) report that finds the prevalence of autism spectrum disorder (ASD) among 11 surveillance sites as one in 59 among children aged 8 years in 2014 (or 1.7 percent). This marks a 15 percent increase from the most recent report two years ago, and the highest prevalence since the CDC began tracking ASD in 2000. Consistent with previous reports,…