The science behind a bullet train's incredible speed has advanced to the point that they no longer need wheels to stay on the tracks. There are some magnetic trains that do use rubber wheels until ...

Learn how to create a homemade hand-powered phone charger using repurposed materials like an old DVD and a small motor. This DIY project showcases the principles of electromagnetic induction, using ...

Why would you want to detect metal? Oh, I don't know … maybe you want to find some gold in the ground. You could dig up ALL the dirt, or you could find the location that has the gold before you dig.

(CNN) — A 13-year-old boy in New Zealand was hospitalized after swallowing dozens of high-powered magnets, ultimately losing part of his bowel, according to a recent case report in the New Zealand ...