Hard Drive In Motion 
Posted 2007-09-04 11:24 in Tips--Tricks by Ed Shepard
Hard drives are made out of tiny electromagnetic platters that spin at 4200, 5400, 7200 and even 10,000 rotations per minute. It’s amazing that this works at all. Here is a video of a hard drive in motion. Remember, this is where all your digital photos, movies, emails, documents, etc are stored – so back up your data often!
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