Interesting Engineering on MSN

Scientists’ new method uses batteries’ own energy to recover 95% of key metals

Scientists have developed a groundbreaking battery recycling method that uses a cell's own stored energy to recover key ...
The New York Times

The Best Sleep-Tracking App

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Joanne Chen and Justin Redman We added information on the Apple Watch’s new ...