There must be some unwritten law that requires flashlight batteries to either be low on power or nearly dead just when blackouts hit. Or, for that matter, any other ...

LED flashlights are coming on the market in a flurry lately, but here’s one with a difference: If you want to see it do its thing, pull its string. It has a pull cord like a Chatty Cathy, but instead ...

Finally, an invention where you just shake something in order for it to work. This product is called the Forever Flashlight. When you shake it for 30 seconds, it's supposed to generate a strong ...

I was looking at one of these:<BR>http://www.thinkgeek.com/gadgets/lights/5a9f/<BR><BR>As a gift or the larger hand crank one.<BR>http://www.thinkgeek.com/gadgets ...

Batteries are so 20th century. The Lumen is a new flashlight that skips the AAs, producing light by harvesting your body heat, and it's looking for funding on Kickstarter. There are no switches, ports ...

As Y2K approached and the world waited for blackouts that never came, human-powered electric gadgets saw a surge of popularity. These radios, flashlights and other devices don’t need batteries – they ...

As Y2K approached and the world waited for blackouts that never came, human-powered electric gadgets saw a surge of popularity. These radios, flashlights and other devices don't need batteries -- they ...

Hold the flashlight horizontally and shake it so the magnet moves through the coil. Shine the light at the audience. Original construction: purchased. The flashlight has had its capacitor and on/off ...