Does a hard drive weigh more when full..?

post #81 of 190

7/1/12 at 11:22am

jrl1357
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No. All your doing is changing the orientation of a magnetic particul. Your not adding or taking a way anything. On an ssd however it would be heavyer (infindecimaly so, but what ever) do to the extra electons.

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post #82 of 190

7/1/12 at 11:42am

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Quote:

Originally Posted by jrl1357

No. All your doing is changing the orientation of a magnetic particul. Your not adding or taking a way anything. On an ssd however it would be heavyer (infindecimaly so, but what ever) do to the extra electons.

Not extra, more charged.

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post #83 of 190

7/1/12 at 12:11pm

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So what have we finally concluded?

Optical media (DVD / CD etc) weigh less when burned with data because plastic is physically burned away with the laser.
Hard drives (and other magnetic media) weigh the same because no net electrons are added as only the orientation of the magnetic poles of each particle in them is changed.
Flash memory weighs more due to the addition of electrons when 1's are written.

Is this correct?

If it is, it should be added to the OP.

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post #84 of 190

7/1/12 at 12:14pm

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Quote:

Originally Posted by {Unregistered}

So what have we finally concluded?

Optical media (DVD / CD etc) weigh less when burned with data because plastic is physically burned away with the laser.
Hard drives (and other magnetic media) weigh the same because no net electrons are added as only the orientation of the magnetic poles of each particle in them is changed.
Flash memory weighs more due to the addition of electrons when 1's are written.

Is this correct?

If it is, it should be added to the OP.

No. For flash memory it is not the ADDITION of electrons, it's how much more energy they have, and as E=MC2, they will weigh more.

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post #85 of 190

7/1/12 at 12:21pm

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Quote:

Originally Posted by 3930K

No. For flash memory it is not the ADDITION of electrons, it's how much more energy they have, and as E=MC2, they will weigh more.

With that logic, shouldn't hard drives weigh more too because the particles in the hard drive are gaining heat energy as they are re-oriented through the use of the magnetic field?

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post #86 of 190

7/1/12 at 12:29pm

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Quote:

Originally Posted by {Unregistered}

Quote:

Originally Posted by 3930K

No. For flash memory it is not the ADDITION of electrons, it's how much more energy they have, and as E=MC2, they will weigh more.

With that logic, shouldn't hard drives weigh more too because the particles in the hard drive are gaining heat energy as they are re-oriented through the use of the magnetic field?

Yeah, but not permanently...
So if they are ventilated by fans, they'd lose that extra weight almost immediately.

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post #87 of 190

7/1/12 at 12:35pm

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Isn't flash memory basically like a floating gate transistor? Electrons flow through the restrictive dielectric material to change the charge from neutral to negative via high electric current. The electrons are basically stuck in the floating gate when power is cut to the SSD. That is how SSDs can remember its state when powered off.

In about 10 years or so, SSDs start losing its charge. Basically that means electrons are getting out of the floating gate. Data loss results.
Edited by Riou - 7/1/12 at 1:01pm

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post #88 of 190

7/1/12 at 12:37pm

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This was an interesting read. I think I'll research a bit before I post again.

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post #89 of 190

7/1/12 at 12:47pm

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Quote:

Originally Posted by Riou

Isn't flash memory basically like a floating gate transistor? Electrons flow through the resistive material to change the charge from neutral to negative via high electric current. The electrons are basically stuck in the floating gate when power is cut to the SSD. That is how SSDs can remember its state when powered off.

In about 10 years or so, SSDs start losing its charge. Basically that means electrons are getting out of the floating gate.

They have floating gate transistors, yes.

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7/1/12 at 12:50pm

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lol

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