D-printable, musical fidget toys that play classic video game tunes. Of course there’s the classic Super Mario ditty, but there’s loads more. How ...

Overheating batteries are a serious risk, in the worst cases leading to fires and explosion. A team including researchers ...

You can salvage lithium 18650 cells from all sorts of modern gadgets, from disposable vapes to cordless power tools. The tricky part, other than physically liberating them from whatever they are ...

"There was one night when I was picking up my dinner and a car pulled up beside me and a dodgy looking guy came out and asked me about 3D-printed guns," Mr Paxton said. "I said I don't have ...

An Airless Basketball Produced with 3D Printing Posted: March 14, 2025 | Last updated: March 14, 2025 "Follow Good Vibes Only for more of Drew Dirksen's fun challenges, lifestyle vlogs, and behind ...

In one study, engineering students tried lifting a 2,000 kg concrete mass in a house, only to find it stored the energy equivalent of just 12 AA batteries. Building anything large enough for ...

In the olden times, such batteries were consistent purchases for consumers since everything was powered by AA batteries ... After all, we cover the whole gamut here, and that includes the worst.