Retailers can receive cash settlements of 1.5 times current spot silver for each pound of silver oxide batteries received.

“What we've experimentally found in our recent work is that a certain amount of heat can promote the chemical conversion reaction, compensating the loss in voltage,” Bae said in an e-mail. “Simply put ...

Last December, Casio released rings designed to look like mini versions of its iconic digital watches. Each ring is waterproof and displays time across two different ...

At Polar Night Energy, co-founders Tommi Eronen and Markku Ylönen use sand to store wind and solar energy as heat, providing a cleaner alternative for warming homes and businesses. The company's first ...