On Wednesday, Apr 21, 2004, at 00:39 Canada/Eastern, Ron wrote: >>> 50-60 Htz is the same frequency as the human heart. > > Uhh, what they were saying has nothing at all to do with heart > rate.[...] Uhh, are we reading the same message?! > It has to do with the frequency of electrical impulses to the heart > muscle. Call it the internal frequency of cardiac nerve signals, and I might agree with you. Call it the frequency of the human heart, and it's rubbish. f