This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

Want more tried and tested recommendations from the RW editors? Sign up to our monthly newsletter Kit Bag. Click here to subscribe. You can take your first steps in your everyday trainers but ...

The editors of TIME for Kids spoke with seven incredible young innovators. They’re using STEM (science, technology, engineering, and math) and their imaginations to invent new solutions to problems ...