Self Powered Led Flashlight
Published by Cristian December 24th, 2007 in How to.... Tags: flashlight.
Using LEDs which use significantly less energy than normal incandescent bulbs and a greater light output you can make a self powered led flashlight. For more details watch the next video.
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8 Responses to “Self Powered Led Flashlight”
- 1 Trackback on May 28th, 2008 at 8:06 am
- 2 Pingback on Nov 5th, 2009 at 10:16 am
Young lady, in this house we obey the laws of thermodynamics!
i’m pretty sure this was originally content of a polish joke. i mean really what’s next? submarine with a screen door? helicopter with an ejector seat?
Um. No.
lol funny, there is a better way um, well a way that works, get a magnet some coiled copper wire, make it so u shake the magnet inside the coil of wire this makes electricity, man that guy is bright
lol at mcbunn…
Seems like a job for the MythBusters.