Ever wondered how a hard drive works? I mean, we know it has something to do with frikkin’ magnets, but how do they work? Luckily, the Engineer Guy is here to explain, and also to help you spend five minutes not working on a Friday afternoon. Learn about arms, actuators, heads and Lorentz forces. And learn how on Earth you store ones and zeros on a spinning magnetic disk.
What amazes me is the combination of extremely simple principles, along with insanely difficult engineering to make it actually happen. It also makes me much less likely to pick up my laptop and plunk it back down without putting it to sleep first. I love, you, HDD, but cheap SSDs can’t come soon enough.
Hard drive teardown [The Engineer Guy / YouTube]
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