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There Are No Absolutes...


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#1 Delhommey

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Posted 04 January 2013 - 02:01 PM

It may sound less likely than hell freezing over, but physicists have created an atomic gas with a sub-absolute-zero temperature for the first time1. Their technique opens the door to generating negative-Kelvin materials and new quantum devices, and it could even help to solve a cosmological mystery


http://www.nature.co...te-zero-1.12146

#2 Delhommey

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Posted 04 January 2013 - 02:07 PM

If built, such systems would behave in strange ways, says Achim Rosch, a theoretical physicist at the University of Cologne in Germany, who proposed the technique used by Schneider and his team3. For instance, Rosch and his colleagues have calculated that whereas clouds of atoms would normally be pulled downwards by gravity, if part of the cloud is at a negative absolute temperature, some atoms will move upwards, apparently defying gravity


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#3 Johnny Rockets

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Posted 04 January 2013 - 02:10 PM

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#4 Jase

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Posted 04 January 2013 - 02:13 PM

This just blew my mind.

although I'd prefer they call it "anti-energy". Dark energy sounds like sorcery.

You say floating skateboards, I say fusion reactors.

#5 catfang

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Posted 04 January 2013 - 02:13 PM

There are some absolutes and then there are absoluts

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#6 Johnny Rockets

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Posted 04 January 2013 - 02:19 PM

There are some absolutes and then there are absoluts

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Now THAT I have a much better understanding of...

#7 pstall

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Posted 04 January 2013 - 02:29 PM

this helps me in using the excuse whenever i'm late when i go does any of us really know what time it is?

#8 mmmbeans

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Posted 04 January 2013 - 02:57 PM

This just blew my mind.

although I'd prefer they call it "anti-energy". Dark energy sounds like sorcery.

You say floating skateboards, I say fusion reactors.


floating fusion reactors.

#9 Davidson Deac II

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Posted 04 January 2013 - 03:46 PM

So we can now build quantum torpedos and quantum slipstream drives? Sign me up. :)

#10 Carolina Husker

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Posted 04 January 2013 - 03:48 PM

I'd spread that poo all over my yard in the fall to keep the leaves off.

#11 Mr. Scot

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Posted 04 January 2013 - 04:14 PM

The statement "there are no absolutes" would be an absolute.

#12 Scrumtrilescent

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Posted 04 January 2013 - 06:04 PM

Only the Sith deal in absolutes.


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