Hard drive teardown
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Uploaded by engineerguyvideo on Jun 4, 2011
Bill opens up a computer hard drive to show how it is engineered. He describes how the "head" reads the magnetic information on the disk; reveals how a voice coil motor and a slider controls the position of that head. He also discusses how smooth a disk must be, and briefly mentions a mathematical technique that allows engineers to pack more information on a drive.
- 5,783 likes, 23 dislikes
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Top Comments
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It just blows my mind how any human being can consider this not interesting. It's so amazing it moves me, like art.
1 month ago 21
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I'm not sure if you do videos by request, but I'd love to see ones on Solid State Drives as well as LED monitors. All your stuff is great and easy to follow.
4 weeks ago 4
All Comments (703)
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@Matttix I find this very interesting, but it's not hard to realise why some people find it boring
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Hey Bill, when do you think they'll reach the physical limit of how much data can be stored on a single platter? If it all has to do with how close the head is to the platter, then surely it must be hard to squeeze any more capacity out of a single platter. Seems to me the next step would be some crazy nanotechnology, assuming flash storage just doesn't take over by then.
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so if i take apart my hard drive and rub a magnet across it a bunch of time will it lose any data on it?
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0:28 I think that he said "look at that its markless" but when I turned the captions on it sait "look at that its marvelous"
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what?
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@engineerguyvideo Those Dimensions are a dime a dozen. Love the videos! Look forward to more--incandescent filaments blew my mind!
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Well it was very interesting. And thank you very much for reminding me why I didn't go into engineering.
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uh.. are we talking about the hard drive :S
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Why pick an old Dell Dimension? Find that in a junk-heap somewhere?
Konraden 4 weeks ago
@Konraden Yes ... we got it from campus surplus!
engineerguyvideo 3 weeks ago
does the top layer with a lot of tiny copper looking dots matter? please respond!!!
deadspacer47 5 months ago
@deadspacer47 Give me the time code for the section of the video you are referring to and I'll do my best to answer.
engineerguyvideo 5 months ago