What do you do with 400 lead-acid car batteries? Wire them together and zap things with their combined current, obviously.

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...

My rides, with human “safety operators” in the front passenger seat, were mostly uneventful, but concerns about crashes and ...

The Best Early Deals From Amazon's Big Spring Sale 2026: Top Tech at Bargain Prices The Big Spring Sale kicks off on Wednesday, but Amazon is getting the party started early with advance discounts on ...

Russell Holly is a Managing Editor on the Commerce team at CNET. He works with all of CNET to assemble top recommendations as well as helping everyone find the best way to buy anything at the best ...