Homemade Antigravity?



The guy in this video claims to have created a homemade device that levitates a card using only a Nokia cordless phone, batteries, a coke can, and a CD. Hit play or go to Link [YouTube]

Skeptical? Me too ... although I couldn't see any concrete evidence that it was staged. There's even a video response that replicates the same experiment.

Fake! its done with a couple strands of hair or threads or in the case of the video response fishing line wich can be clearly seen in the upper left corner of the screen.
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The batteries aren't part of a completed circuit, the cell phone doesn't radiate energy in a frequency that anything there could harness, and the dime on the playing card has no ferromagnetic material in it.

Can't be magnetic, can't be electronic. Must be bulls*
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The fact that he uses batteries is a decoy: batteries typically do not possess an electric field that extends that far out into air.

Even if they did, they couldn't interact with a nickel (non magnetic, no charge).

The big secret to this trick is the utilization of a magician's tool known as invisible thread. The thread forms a loop between the coke can and the CD stack, so that when he drags the coke can, the thread lifts and straightens out. This carries the card upward. The coin serves to keep the center of gravity of the card between the two sides of the loop.

-James
Ph.D. Student in physics
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I didn't know nickles (dimes, etc) were not magnetic (ferrous?). In any case, I'm not surprised its BS. Incidentally, where it might be true that 'MAGNETISM QUALIFY(sic) AS LEVITATION!', it's not 'Anti-Gravity'.
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It is a trick:
The card is supported by two parallel thin threads joined (for example) from the wall to the pepsi, like as a suspended bridge.
The card is not joined to the threads, but simply supported.
Initially the two threads lie on the cd-rom near the two vertical batteries.
Moving the pepsi you can stretch the threads and so raise up the card.
You can control the movements of the card with the tension of the threads by moving and rotating the pepsi.
(rotating the pepsi you control the inclination of the card, by stretching differently the two threads)
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