About the Museum of Hoaxes
The Museum of Hoaxes is dedicated to promoting knowledge about hoaxes. (Click here for opening hours, etc.) On our blog we post about whatever dubious-sounding claims come across our path on a day-by-day basis. In our archives we have hundreds of articles about the most fascinating and notorious deceptions throughout history, from the middle ages to the present.
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Gravity Speakers
Status: Video special effect
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.