The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as possible onto a turbine, which spins a generator, thus generating ...

Bluetti’s latest car charger can quickly charge power stations at a very fast 1200W — about 10 times faster than plugging it ...

There’s a lot of laboratory equipment out there that the casual hobbyist will never need to use, but that doesn’t mean you ...

In much of Africa, limited and unreliable grid coverage means many depend on polluting diesel generators to power their homes and businesses. South African start-up Hyena has a new hydrogen technology ...

A jump start uses a working battery to supply enough current for the starter motor, then lets the alternator recharge the ...