Sound + Fire = Rubens' Tube
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Uploaded by 1veritasium on Apr 12, 2011
Sound waves in a tube of gas create flames of different heights that dance to the music. A metal tube with holes in it is filled with gas. The gas is lit to create a row of tiny flames. A speaker at one end plays sound into the tube, which creates a standing wave of sound: areas where air molecules are vibrating rapidly separated by areas where the air is fairly still. This produces the different heights of flames and allows the wavelength of the sound wave to be estimated.
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Uploader Comments (1veritasium)
Top Comments
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SOMEONE SHUD DO THIS WIT DUBSTEP
1 month ago in playlist Cool Experiments! 68
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R.I.P headphone users
1 month ago in playlist Cool Experiments! 38
All Comments (1,206)
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most impressive when you were manipulating the flames with your vocals rather than with music, nothing new when playing music seeing as that's how speakers work anyway.
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Why did I wear headphones for this? DX
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Sound is a waayv.
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I planned to make one of these and hook it up to my guitar rig... if only I played metal
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This is beautiful. Thank you!
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This. Is. Fucking. AWESOME.
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I loled @ 3:26
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@DLtee3323 watch?v=hip-4KF6z4o&feature=re
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So why don't we see the wave moving? IS it just happening to fast for the flame to be affected?
mrhashbrowns 5 days ago
@mrhashbrowns the effect is something called a standing wave - where the traveling waves are bouncing back and forth in the tube and creating a consistent pattern.
1veritasium 4 days ago