Instructables user scraptopower designed a thermoelectric lamp that can convert heat into small amounts of electricity. One of the best uses for this is building an LED lamp that runs from tea candles. Yes, candles generate usable light, but if you've ever tried reading by one of them you might appreciate a more powerful light source during a blackout or camping trip without having to worry about batteries. More��
target=_blank>http://chilp.it/8def52
No comments:
Post a Comment