Maybe the best thing about this DIY project is its name: the Joule Thief. It’s a tiny LED flashlight that runs off dead batteries, eking out the last drops of voltage from a dead AA and throwing them ...

June 13, 2011 Add as a preferred source on Google Add as a preferred source on Google When the power goes out, you probably reach for a flash light—that is, if you can remember where you put it, find ...

DIY web site Instructables details how to convert an empty tube of ChapStick into an LED flashlight on the cheap. All you'll need to get started is an LED, switch, battery, a few other inexpensive ...

If you’re a flashlight person, you know that there’s little you would do to get the brightest, most powerful, most ridiculous flashlight possible. You might even ...

Whoda thunk it? Conveniently three AAA batteries fit perfectly into a Tic-Tac casing. Add in a switch, resistor and an ultra-bright LED for a nice, small flashlight. Follow the linkage for the easy ...

Go to the drawer where you keep your flashlight, and pull it out. Look at its puny little bulb. Drop it on the floor. Kick it under the sofa. Fish it back out. Pick it back up. Now throw it in the ...

There are flashlights and then there are FLASHLIGHTS and this DIY 72,000 lumen bad boy is definitely the latter type of flashlight. It was made by a guy called Samm Sheperd and it uses eight 100w LED ...

If you don’t want to shell out the $20 for the new Griffin iBeam flashlight (and laser pointer) accessory for the iPod, you can always shell out $20 for parts (fine, a little less) and build your own ...