This Week in Tech

New Wearable Device Turns Your Body Into a Biological Battery

New Wearable Device Turns Your Body Into a Biological Battery

The device, described in the journal Science Advances, is stretchy enough that you can wear it like a ring, a bracelet or any other accessory that touches your skin. It also taps into a person’s natural heat—employing thermoelectric generators to convert the body’s internal temperature into electricity…


US and Allies to Build ‘China-Free’ Tech Supply Chain

WASHINGTON/TAIPEI — U.S. President Joe Biden is set to sign an executive order as early as this month to accelerate efforts to build supply chains for chips and other strategically significant products that are less reliant on China, in partnership with the likes of Taiwan, Japan and South Korea…


New Approach for Brain-Controlled Wheelchairs Could Achieve 99% Driving Accuracy

A Portuguese study has shown for the first time that it is possible to achieve a highly reliable and nearly 100% accurate brain–computer interface system for use in brain-controlled wheelchairs, without imposing a high mental workload on the user…


Rural Users Testing Elon Musk’s Satellite Broadband Reveal ‘Amazing’ Improvement

People in rural areas of the UK have reported huge jumps in speed after switching to Elon Musk’s satellite broadband service…


A Solar Panel in Space Is Collecting Energy That Could One Day Be Beamed to Anywhere on Earth

Scientists working for the Pentagon have successfully tested a solar panel the size of a pizza box in space, designed as a prototype for a future system to send electricity from space back to any point on Earth…


USPS Unveils Next-Generation Mail Truck With Electric Drivetrain Option

The United States Postal Service (USPS) has revealed its new mail truck after a years-long competition. The new truck will be built by Wisconsin-based defense contractor Oshkosh and can be fitted with both gasoline and electric drivetrains. But it won’t hit the road until 2023…


Huawei Debuts $2,800 Phone After Barely Growing Sales in 2020

Huawei Technologies Co. took the wraps off a high-end foldable smartphone to try and stake out a place in the fast-expanding category, revealing that revenue and profit barely grew in 2020 at the height of Trump-era sanctions…