----- Original Message ----- From: Michel Jullian <michelj...@gmail.com> Date: Tuesday, May 5, 2009 2:21 pm Subject: Re: [Vo]:Latest from Mylow
> 2009/5/5 OrionWorks <svj.orionwo...@gmail.com>: > > > ...eddies within the rotating aluminum disk... > > Ah, is he? (your comment called for this Arthur Dent quote didn't > it Steven ;-) > > More seriously, 36 hours is no big feat, a simple pendulum can run > much longer than that while swapping potential energy with kinetic > energy, just like magmos do. I think such a pendulum would have to swing higher and higher when it first starts to run for the comparison to be valid. > Also, since when is aluminum "magnetic", or "ferrite material"? > > Michel ok technically speaking aluminum is paramagnetic. However when laymen (laypeople?) say something is magnetic they mean it can be affected by the field of a magnet. here's demo with a big strong magnet and a plate of aluminum. http://tr.youtube.com/watch?v=iABmUEH5sOk Harry
