Can someone answer questions about mylar holograms?

A couple of days ago I fond a booth in a shopping mall. Someone was selling these power bracelets. He was saying that it contained some kind of metal that created a mylar hologram. The mylar hologram was supposed to create some "frequency" that was in tune with your own and it was supposed to make you stronger and more flexible. The salesperson was unable to answer any of my questions to my satisfaction. What is a "mylar hologram"? What the hell does he mean be "frequency"? Is it electro magnetic or some kind of sound frequency? How does this work? Is there some source I could look at that could show me a double blind test for this mylar stuff? What kind of metal do they actually put in this thing?

Jay2010-10-25T07:44:02Z

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It doesn't work. Those bracelets are a scam. There is no frequency. There is no interaction with your bodies electrical field to improve your well being. Anyone with any scientific knowledge of holograms at all knows this is all a scam.

But many people don't really understand how holograms work. By taking that fact and throwing out a bunch of bogus scientific sounding mumbo jumbo they can let the power of suggestion and the placebo effect lead people to believe that maybe the bracelets are doing something. In reality though, a Hello Kitty bracelet from the dollar store would have the same effect.

Oh, and mylar isn't even metal. It can look shiny like metal but is actually an electrical insulator so it doesn't conduct electricity. Showing even further that these guys don't know what they're talking about.

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finaldx2010-10-24T16:24:26Z

You simply encountered the modern version of a snake oil salesman. No validity to his or her claims, whatsoever.