A History of Hard Disk Drives (and How They Work)

- Ever wondered what was inside of that clunky brick on which you store most of your Steam games and general files? A lot goes into a hard disk drive, and even more is found in its history. HDDs were once the size of refrigerators, and now they're as small as a quarter (with several hundred times the storage capacity)! Let's jump back in time.

Hard Drives Explained: http://www.explainthatstuff.com/harddrive.html

GMR (Giant Magnetoresistance) Article: http://www.gmrsensors.com/gmr-operation.htm

How Hard Disk Drives Work (TED-Ed YouTube Video): https://youtu.be/wteUW2sL7bc

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