On 19 September 2012 11:35, Nicola Perotto wrote: > This is better ;-) > http://www.youtube.com/watch?v=3D7PDeK6rprA4 Yes. amazing :-). I saw that while looking at the other one. The great thing about this one is that it starts off looking like an "instructables" on how to use a fan to make power as an alternator BUT ends up as a perpetual motion machine a;most unexpectedly. The trick is obviously to use two sets of magnets, as he does. The page I posted originally are just plain larcenous scum out to rip people off. But it's harder to understand the reason for the fraud in this one. Russell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .