Researchers have developed a battery that is cheap to assemble, biodegradable and made of renewable materials. The new battery is water-activated, disposable, and could significantly reduce the amount ...

The scientists at DARPA will next month detail a new program the group hopes will develop small, portable, battery-powered atomic clocks with stability, repeatability, and environmental sensitivity ...

Dear Heloise: This is a hint on how to hang or rehang something on the wall. In my case, it was a few battery-operated clocks.

This is The Bedol Water Clock. Pour water into the cool skeleton body and use it. The movie of The Bedol Water Clock is from the following. Water-Powered Clocks run for months solely on tap water! - ...