EcoFan - generates its own electricity

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Can someone explain to me how this fan uses a heat differential to
generate its own electricity?

http://www.magma.ca/~barkhm5/ecofan.htm

Thanks!

 

[Gerard Bok]

Can someone explain to me how this fan uses a heat differential to
generate its own electricity?

http://www.magma.ca/~barkhm5/ecofan.htm

http://en.wikipedia.org/wiki/Peltier_effect#Peltier_effect

 

[terryS]

Can someone explain to me how this fan uses a heat differential to
generate its own electricity?
Thanks!

This looks like a troll? The reference given explains it fully; a
therrmocouple. But fans very expensive!!!!