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 ...

Some devices are elaborately made to appear as if they operate on Faraday’s Law, when in fact the components have as much functionality as a pet rock All the rage a few years back, shake-to-charge ...

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 ...

This torch feels solid and weighty in the hand, with an excellent build quality, given the low price point. The light is ridiculously bright, being very easy to switch between a flood or spotlight, ...

An iconic Maglite flashlight sat next to my front door for more than 20 years, but it’s been relegated to basement duty ever since the incredible Infinity X1 came into my life. When I first heard ...