You could also do it with moving parts with a stirling engine, i think it has a higher efficiency.
http://www.physics.sfasu.edu/astro/courses/egr112/StirlingEngine/stirling.html
Yeah, i am suspicious as well, because he has always at least one hand bellow the desk and also because the light doesn't go on and off gradually.
I guess the myth is BUSTED! lol
OK i've stumbled upon this link http://www.metacafe.com/watch/400937/candle_power_who_needs_batteries/
Seems interesting, from comments it works on the principle of Jakob's ladder.
Or does it? I've tried it, doesn't work, am I missing something, or is fake?
I want to understand how the catalyst works in the Ostwald process, i mean why can platinum be exchanged for copper. And can i use any metal?
A nice video of it: http://www.carlton.paschools.pa.sk.ca/chemical/mtom/contents/chapter3/fritzhaber_2.htm
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