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also @ TechSpot: AT&T unleashes solar-powered phone chargers into New York parks
Hard drives are more often than not taken for granted, and to be completely honest, we'll be the first ones to tell you upgrading to a much faster solid state drive is the perfect upgrade for any PC still relying on a standark disk drive. Having that said, it's easy to forget mechanical disk drives are pretty impressive technology.
A popular YouTube channel called The Slow Mo guys recently posted a video of a hard drive cracked open and then shot at 1000fps. Check out the video and judge for yourself.
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User Comments: 30
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Stop beating up the guest!
Electrons in an electric field flowing along a copper wire can move incredibly slowly. Please see here
http://en.wikipedia.org/wiki/Drift_velocity
In this example the electrons move about 1m an hour - I can certianly walk that fast.
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Stop beating up the guest!
Electrons in an electric field flowing along a copper wire can move incredibly slowly. Please see here
http://en.wikipedia.org/wiki/Drift_velocity
In this example the electrons move about 1m an hour - I can certianly walk that fast.
Did no-one read Doctor John's post above - I'm sure he's right, and what he said covers ALL these scenarii, so we can all stop arguing!
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Make no mistake, electrons in a conductor move fast, about 0.5% the speed of light. What they don't do is consistently and coherently move in the same direction very quickly. They bounce around and scatter so much that their net motion is very small, around the 1 meter per hour figure quote above.
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Make no mistake, electrons in a conductor move fast, about 0.5% the speed of light. What they don't do is consistently and coherently move in the same direction very quickly. They bounce around and scatter so much that their net motion is very small, around the 1 meter per hour figure quote above.
Absolutely, so the average velocity of a bunch of electrons can approach zero, but the individuals are zooming and bouncing off each other & atoms in the conductor (which is why cables get warm!). Nice one, Guest (y)
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valentyn0 said:
Yet my Samsung F3 only lasted 11 months
Probably a defective one, have a samsung myself (hdtune reports 1100 days in function, that means somwhere around 3 years and smth always ON) and still this model was a Spinpoint.
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