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Author: engineering

What is your supply chain telling you about packages?

Have you purchased any electronics components lately? Have you tried and failed to do so lately? Allocation is the word of the day and substitutions are your friend. Many, many parts are in short supply, or unavailable with extraordinarily long lead times. Sure, that happens every now and then in this industry. It’s a periodic nuisance, but what should you do for the long term? We’re are getting some interesting stories from component suppliers that might help. What we’re hearing…

4 Things I Learned While Building a Slackbot With AWS Lambda

By eleith tl;dr: Lambda promises to simplify how we build services in the future. While building a slackbot internally for Coursera, I learned a few lessons about Lambda worth sharing. When I first heard about AWS Lambda, I couldn’t wait to get my hands on it. One year later I made the decision to stop stalling and use it to power my first Slack integration. At Coursera, we use Slack so heavily that merely switching tabs out of Slack can…

New development in contact lenses for red-green color blindness using simple dye — ScienceDaily

Researchers at the University of Birmingham have developed a contact lens that may help people with colour blindness simply by using a low cost dye, according to research published today (26 April 2018) in the journal Advanced Healthcare Materials. Colour blindness — or colour vision deficiency (CVD) — is an inherited genetic ocular disorder where some people have difficulty distinguishing certain colours. While no cure for this disorder exists, several methods have been used to increase the colour perception of…

Growing ‘dead zone’ confirmed by underwater robots in the Gulf of Oman — ScienceDaily

New research from the University of East Anglia (UEA) has confirmed a dramatic decrease in oxygen in the Gulf of Oman part of the Arabian Sea. But the environmental disaster is worse than expected. The ‘dead zone’ was confirmed by underwater robots called Seagliders — which were able to collect data in areas of water previously inaccessible due to the piracy and geopolitical tensions. The robots are about the same size as a small human diver, but can reach depths…

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…