http://www.evilmadscientist.com/2006/how-to-make-hard-drive-wind-chimes/
hard drive wind chimes. I used to disassemble hard drives, whenever
possible, both to extract the magnets and to see how the different types
worked. Different hard drives contain all kinds of wonderful
components: voice coil motors, stepper motors, exotic bearings,
electropolished machined parts, chemically etched metal webs, flexible
circuitry, and my personal favorite: optical quadrature encoders for
pivot arm position readout. The drive platters themselves are also quite
remarkable: precisely made aluminum patters with a surface not unlike
recording tape. The disks make a lovely clear note if you strike them,
so it was only natural to make them into a set of wind chimes.
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