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Captain |
can anyone explain
this? |
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Discoverer |
It appears that salt grains are being sprinkled on the diaphragm of a sound generator whose frequency is increasing. The salt is forming itself into patterns matching the vibration patterns of the diaphragm. You cannot hear the sound after a point because the frequency has risen above human hearing.
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Discoverer |
You can do the same with any granular substance - sand or sugar for instance.
____________________________________________ "The Early Bird catches the Worm", only goes to prove that the Worm should've stayed in bed!! I've taken a vow of poverty. To annoy me, send money. There's room for all God's creatures. Right next to the mashed potatoes. Health is merely the slowest possible rate at which one can die. |
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Discoverer |
although it has nowt to do with this topic...
Me & a few mates got a beetle (insect!) and placed it carefully on a speaker cone, slowly cranked up the volume and watched the bugger dance! beer eh? It's Logic Jim But Not As We Know It... |
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Discoverer |
I wouldn't say that, Jimtop - it's exactly the same effect.   ____________________________________________ "The Early Bird catches the Worm", only goes to prove that the Worm should've stayed in bed!! I've taken a vow of poverty. To annoy me, send money. There's room for all God's creatures. Right next to the mashed potatoes. Health is merely the slowest possible rate at which one can die. |
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