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Directed Light Shrinks Li-ion Battery Recharge Time

posted by Category: Chemical Engineering

With so much attention on reducing the recharge time of lithium-based batteries, researchers are exploring novel, if perhaps impractical, approaches and “accelerants.” It’s not a matter of how much current the charging source can deliver, but how fast the chemical reaction within the cell that constitutes recharging can occur. Researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory have tested a scheme in which light is directed at the cell while charging—and it cuts the charge time by…

How Much Do You Really Know About Communications Electronics?

posted by Category: Computer Engineering, Electronics Engineering

If you’re an experienced RF communications engineer, you probably don’t have to read this blog. But if you’re a beginning engineer, an engineer recently assigned to a communication project, a tech manager overseeing communications engineers, or those of you who test or sell comm gear, you may want to take a look. Learning About Comm The largest sector of electronics is communications. Name an electronic product today that does NOT have some comm function. If you dig out the sales…

Tumblr Engineering — Just checking since things suddenly behaved…

posted by Category: Civil Engineering, Construction Engineering

I’ve been at Tumblr for four years as of last month, and in those four years I’ve moved from Engineer to Senior Engineer to Principal Engineer. Everyone’s journey along the path of their career is different, and engineering is a little different everywhere, but this is my story. My hope is that it provides some insight into Tumblr’s career ladder and some themes that are universal across engineering cultures at other companies. Prelude: Full Stack Madness Before I joined Tumblr,…

LoRa Edge Seeks to Simplify and Accelerate IoT Apps

posted by Category: Telecommunications Engineering

The Internet of Things (IoT) continues to rapidly escalate, with some 500 billion devices expected to connect to the internet over the next decade. Most of those devices will be subject to asset management, which requires geolocation technology that enables accounting for these IoT devices. To that end, Semtech’s LoRa Edge platform, a portfolio of devices for indoor and outdoor asset management, is poised to rapidly expand the use of such technology in the IoT arena while simplifying design-in and…

Study of local adaptation provides important insights into evolutionary forces — ScienceDaily

posted by Category: Computer Engineering, Electronics Engineering

Species adapt to their local climates, but how often they adapt to their local communities remains a mystery. To find answers, researchers at McGill University and the University of British Columbia examined over 125 studies testing local adaptation in over 100 species of plants and animals in an article published in The American Naturalist. “Local adaptation occurs when a population evolves to better suit its local surroundings. We already know that environmental pressures like temperature and drought can drive adaptation,…

Smartphones, smart cars, smart… bandages?

posted by Category: Aerospace Engineering

Xueju “Sophie” Wang and Carolyn Crumley collaborated to develop a sensor-integrated bandage that can help improve healing rates for people with diabetic foot ulcers. COLUMBIA, Mo. – Nerve damage that leads to a loss of feeling or numbness in the feet is a big problem for the millions of Americans living with diabetes. As a result, foot ulcers can go untreated leading to infections and even amputations. Now, researchers at the University of Missouri are developing a bandage with “smart” capabilities…

Partnership Aims to Speed Delivery of Scalable, 3-in-1 eDrive Systems

posted by Category: Mechanical Engineering

Electric and hybrid vehicles must become more affordable for consumers and more profitable for producers. For that to happen, suppliers have to find new and better ways to make electric propulsion more economically viable. Standardizing electric drive systems with integrated inverters and motors—combining the electric motor, gearbox, and power electronics into a single package—could reduce cost, weight, and packaging for car manufacturers. In turn, it will make electrification more affordable. To that end, GKN Automotive and Delta Electronics of Taiwan,…

AMD is Cloudflare’s 10th-generation Edge server CPU

posted by Category: Mechanical Engineering

More than 1 billion unique IP addresses pass through the Cloudflare Network each day, serving on average 11 million HTTP requests per second and operating within 100ms of 95% of the Internet-connected population globally. Our network spans 200 cities in more than 90 countries, and our engineering teams have built an extremely fast and reliable infrastructure. We’re extremely proud of our work and are determined to help make the Internet a better and more secure place. Cloudflare engineers who are…

Accelerating infrastructure innovations and advancing global connectivity

posted by Category: Telecommunications Engineering

High-quality internet access opens new opportunities to make yourself heard, connect with the people and communities you care about, and build new businesses. It’s also good for industries and businesses of all kinds, including Facebook. The latest edition of our Inclusive Internet Index shows progress on bringing broadband access to more people, but the rate of growth in household connectivity has been slowing. While mobile broadband data has become more affordable on average, it’s still expensive for many in low-income…

Quadrupling turbines, US can meet 2030 wind-energy goals — ScienceDaily

posted by Category: Aerospace Engineering

The United States could generate 20% of its electricity from wind within 10 years, without requiring any additional land, according to Cornell University research published in Nature Scientific Reports. “The United States currently produces about 7% of its electricity from wind energy,” said Sara Pryor, professor in the Department of Earth and Atmospheric Sciences. “This research shows that a quadrupling of the installed capacity of wind turbines from 2014 levels will allow us to attain the goal of 20% of…