Batteries are made in certain sizes and shapes for reasons of cost and manufacturability, but in other cases because of ...

Lithium nickel oxide, a promising material for next-gen, longer-lasting batteries, keeps failing during charging. Now a UTD team says they've found a fix to make it viable for commercial use. The ...

That’s why I thought it’d be a great idea to share my top pick for the best robot lawn mower under £400. Not only does it ...