It used to be hard to dump enough electricity through two pieces of metal to meld them together. But a lithium-ion battery can do it. The question is, should it? [The Signal Path] takes a cheap battery-based spot welder apart to see what’s inside and tries to answer that question. You can s

By Srimoyee Chowdhury: There’s no doubt that dogs are man’s best friend. But did you know that these furbuddies start extending their helping paw at quite a young age? If you had no idea, let this sweet clip make you gush hard.

Shared on Twitter by Buitengebieden, the clip shows an elde

is part of the Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726. Acetamidine hydrochloride

Just when you thought the Prime Early Access Sale was your last chance to save.