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[MaximumPC] Purdue Researchers Inch One Step Closer To Quantum Computing - Page 2

post #11 of 19
The equipment they have at Discovery Park is really neat.
post #12 of 19
Quote:
Originally Posted by rusky1 View Post
Umm and how did they achieve this? I thought it was impossible, with today's tech, to reach absolute zero. The closest I've ever heard of scientists getting was a few Kelvin away.
They've managed to get a few millionths of a Kelvin off absolute zero, so you can say it's 'about' absolute zero. Though you are right it's not.
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post #13 of 19
makes me glad i went to purdue, hehe
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post #14 of 19
 
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post #15 of 19
Quote:
Originally Posted by pengs View Post
to make sure it's not going to create some type of a minuscule black hole or open a portal and eat my computer (which are real and actual concerns).
Wait....what?
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post #16 of 19
Quote:
Originally Posted by rusky1 View Post
Umm and how did they achieve this? I thought it was impossible, with today's tech, to reach absolute zero. The closest I've ever heard of scientists getting was a few Kelvin away.
We have gotten much closer than that. Less than a billionth of a kelvin away from kelvin zero. So, you know, 0.0000000005 Kelvin. The weird physics still kick in at that kind of temperature. There's probably an even lower record now. One technique is laser cooling. You are correct though that we could never have something be absolute zero Kelvin. Background radiation in the universe would see to that...

Ref from 2003:
http://www.eurekalert.org/pub_releas...-mta090903.php
Edited by heraisu - 7/31/11 at 3:13pm
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post #17 of 19
Quote:
Originally Posted by rusky1 View Post
Umm and how did they achieve this? I thought it was impossible, with today's tech, to reach absolute zero. The closest I've ever heard of scientists getting was a few Kelvin away.
a few pico kelvin have been achieved in the past


but articles like that dont say more then omg quantum computing future omg go go go this material bla bla bla end
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post #18 of 19
Quote:
Originally Posted by MagicBox View Post
Yeah but the point is that the conditions to achieve anything like quantum computing aren´t anything like our dayly environmental conditions. What I mean is room temperature range with a decent tolerance band.. I think that´ll be long ways off still...
We have to have a working premise of what we want it to do and how it should work, in order to be able to find a practical real world (as opposed to lab conditions) solution.

Once we know what it should do, the search can begin for materials that will allow us to accomplish the same thing without extreme conditions to do so.

Up until recently, quantum computing was theoretically possible but we had no real data on what it would truly take to pull it off and how.
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post #19 of 19
I miss that school. I miss the EE building a lot.

<- EE graduate from Purdue


BTFU!
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