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Gravity Speakers
This video purports to show an amateur experiment in which someone created a small gravitational field "using a speaker and a generated sound wave." The instructions say that a Bose Companion 2 Series II speaker was used, and a "sine wave at 16 khz" was generated.

Obviously it's fake. Audio speakers will not create a gravity field. But I'm not sure how they created the special effect. (Not that I know much about creating video effects.)

Perhaps they used some kind of fancy editing software. Or perhaps they did it a really low-tech way -- moving the objects one frame at a time to make it appear as if they were sliding towards the speaker. If they did it the latter way, they managed to make the sliding effect look very smooth.

Perhaps it's a viral ad for Bose speakers.

For some reason this video keeps getting removed from Metacafe. Hopefully it'll stay up long enough for you to see it.

Posted by The Curator on Wed Oct 24, 2007

this video is obviously a hoax because speakers couldn't do that its obviously someone with a magnet under the tabele, but wait how did the gue move? it couldn't possibly have been that someone put a magnet in the bottom of the glue bottle if you need proof watch the phone you'll see that the little tag is being draged behide so obviosly if the speaker was creating gravity it would be pulling on the tag as well as the phone and with the pen you'll notice that the clip is face down so that proves that the magnetic force is causeing the pen clip to face down

this is a excellent web site by the way
Posted by yall  in  dub  on  Wed Nov 07, 2007  at  05:46 PM
The big clue is the painting on the wall in the background. See how it gets more and more tilted as the demonstration progresses?

The whole "room" (table, wall, camera) is small and on a fixed but tiltable mount. When he's ready for the object to move, he simply lifts the "room" and the object slides down to the speaker, while from the camera's perspective everything stays level. Unfortunately for him, the frame isn't fixed tightly enough to the wall, so it shifts a little each time and blows the secret.

It's a little like that classic Fred Astaire scene where he's dancing on the walls, filmed in a rotating room.

Absolutely. And the glue seems to slide just a bit when he first puts it down (well before he turns on the speaker).
Posted by stopeatingmysesamecake  on  Thu Nov 08, 2007  at  10:58 AM
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