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Way too much time on their hands

xyzzy

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Undeserving authority figures of all kinds and idiots.
... but if you're a techie like me this is so **** kewl ...

 
ok being even more thick than usual, what are they? disk drives? and is it the vibration making the tune? if so why are they different tones?
 
ok being even more thick than usual, what are they? disk drives? and is it the vibration making the tune? if so why are they different tones?


Yeah the note is made by the spin speed of the disks being varied as the disk heads are moved towards the centre of the disk. It was first done on Sirius pcs back in the very early 1980s when someone discovered if you varied the spin speed across the disks surface you could get a disk to hold more data The side effect is the drive emits a different tone depending on the speed so to get it to play a tune you need to program a pc to move the disk heads to precise places on the disks surface which is both kewl and hard to do!

There are a lot of other examples with links at the end. A good one is Bohemian Rhapsody being played by a scanner.

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