The science pros at TKOR build a DIY electromagnetic flashlight that never needs batteries.

Last year, we saw perhaps the brightest flashlight ever made, a DIY 1000W beast composed of ten different lights which can throw out a combined 90,000 lumens. How do you improve on that? You make it ...

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer. This easy step-by-step tutorial guides you through crafting a homemade ...

Flashlights come in different shapes, sizes and with different power outputs, but even the most powerful commercial flashlights pale in comparison to this blinding contraption that was put together by ...

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 ...

You know the part of Monty Python and the Holy Grail when that old man says he's "not dead"? Well, the next time your batteries stop working in your device of choice, you should recall that line ...

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 ...