1.   The huge device was powered by a steam engine.

2.   He exercises daily, alternating weight training with treadmill walks, all the while still tethered to the console that powers the devices.

3.   How will the devices be powered far from their ports?

4.   Lithium-polymer batteries already power small devices such as hearing aids.

5.   One of the oddest sites features a human-powered ornithopter, which perfectly captures the slightly kooky nature of using the human body to power other devices.

6.   Palm, the leading maker of hand-held computers, also makes the operating-system software, Palm OS, that powers those devices.

7.   Still, he added, if people did become aware that MEMS devices might be powered by nuclear batteries, some of them might be alarmed.

8.   Sullivan said the device would be powered by a small battery that would be recharged by body motion.

9.   The batteries power a device that sends signals that are used during TV broadcasts of races.

10.   The Freeplay lantern can already be used to power another device, like a personal stereo.