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Scientists Squeeze Light Past Quantum Limit

 
Heretic™
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09/13/2011 10:45 PM
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Scientists Squeeze Light Past Quantum Limit
The race to discover gravity waves may be getting closer to the finish line with scientists successfully squeezing light using quantum mechanics.

The detection of gravity waves is one of the Holy Grails of astronomy and astrophysics. It will allow researchers to study the inner workings of exploding stars and colliding black holes.

Einstein's general theory of relativity predicts these massive astronomical events generate tiny fluctuations, causing the fabric of space-time to expand and contract - like ripples on the surface of a pond.

These yet to be discovered waves require the most sensitive detectors ever built, but up until now they've not been sensitive enough.

Now an international team of scientists, which includes Professor David Blair, Director of the Australian International Gravity Wave Research Centre at the University of Western Australia, report on a new technique in the journal Nature Physics, which almost doubles the sensitivity of these detectors.

Blair says the GEO600 gravity wave observatory in Germany is the first practical application of this new technology, and is part of a global network called the Laser Interferometer Gravitational Wave Observatory (LIGO).

The observatory will measure tiny variations in the distance travelled by two halves of a laser beam that's been split along perpendicular arms of a kilometre-sized instrument called an interferometer.

But any the change in the beams caused by gravity waves is so tiny, it's drowned out by a quantum effect called vacuum fluctuations.
[link to www.abc.net.au]
Heretic™  (OP)

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09/13/2011 10:46 PM
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Re: Scientists Squeeze Light Past Quantum Limit
fuckyeah
Anonymous Coward
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09/13/2011 10:48 PM
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Re: Scientists Squeeze Light Past Quantum Limit
booo
bsflag
Heretic™  (OP)

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09/13/2011 10:52 PM
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Re: Scientists Squeeze Light Past Quantum Limit
booo
bsflag
 Quoting: Anonymous Coward 1184401


kphawking
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09/17/2011 04:30 AM
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Re: Scientists Squeeze Light Past Quantum Limit
booo
bsflag
 Quoting: Anonymous Coward 1184401


kphawking
 Quoting: Heretic™


roflmao
Anonymous Coward
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09/17/2011 05:00 AM
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Re: Scientists Squeeze Light Past Quantum Limit
I was just looking at the site at Hanford in WA. Cool stuff.
Anonymous Coward
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09/17/2011 05:05 AM
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Re: Scientists Squeeze Light Past Quantum Limit
victory
I am drunk and stoned at this moment of my life...but laters.
Heretic™  (OP)

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09/17/2011 05:12 AM
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Re: Scientists Squeeze Light Past Quantum Limit
victory
I am drunk and stoned at this moment of my life...but laters.
 Quoting: xsilmarillionx


palm1
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09/17/2011 05:17 AM
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Re: Scientists Squeeze Light Past Quantum Limit
victory
I am drunk and stoned at this moment of my life...but laters.
 Quoting: xsilmarillionx


:palm1:
 Quoting: Heretic™


Yes you are one of my friends here...we have until someone kills me to have these wonderful conversations.
Heretic™  (OP)

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09/17/2011 05:22 AM
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Re: Scientists Squeeze Light Past Quantum Limit
victory
I am drunk and stoned at this moment of my life...but laters.
 Quoting: xsilmarillionx


palm1
 Quoting: Heretic™


Yes you are one of my friends here...we have until someone kills me to have these wonderful conversations.
 Quoting: xsilmarillionx


cheers Hopefully that won't happen in the near future
Anonymous Coward
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09/17/2011 05:34 AM
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Re: Scientists Squeeze Light Past Quantum Limit
victory
I am drunk and stoned at this moment of my life...but laters.
 Quoting: xsilmarillionx


:palm1:
 Quoting: Heretic™


Yes you are one of my friends here...we have until someone kills me to have these wonderful conversations.
 Quoting: xsilmarillionx


cheers Hopefully that won't happen in the near future
 Quoting: Heretic™


Brother I am so protected it is crazy...

Laters.
Advaita Vedantist

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09/17/2011 05:58 AM
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Re: Scientists Squeeze Light Past Quantum Limit
Didn't Lawrence Ford and Thomas Roman already do this over ten years ago?
[link to www.bibliotecapleyades.net]

Last Edited by Advaita Vedantist on 09/17/2011 05:59 AM
I am like the space which permeates all objects, and is yet undefiled. I am of the nature of Absolute Consciousness. I can now cognize my Reality to be no other than That.

Jnana Vashistha
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09/17/2011 06:10 AM
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Re: Scientists Squeeze Light Past Quantum Limit
Gravitons coexists outside and inside of space and time hence it cannot be measured by any Scientific instrument directly.

Material Science Fail.
Anonymous Coward
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09/17/2011 08:50 AM
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Re: Scientists Squeeze Light Past Quantum Limit
Gravitons coexists outside and inside of space and time hence it cannot be measured by any Scientific instrument directly.

Material Science Fail.
 Quoting: Anonymous Coward 1553771


Thank you...gravity...a law.
DeathScytheBR

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09/17/2011 09:30 AM
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Re: Scientists Squeeze Light Past Quantum Limit
I heard(read, actually. In a brazillian magazine) that Gravity Waves can be translated into the 'sounds of the universe'. Interesting stuff... Here is what it says:

The gravitational waves, that would be the sound sources of the vacuum are a theory that is still waiting for confirmation, since we have not detected them. Still, there are simulations of how black holes would sound like. Another work that has to do with the sounds of the cosmos are from the New Zealand artist Honor Harger. His project, "Radio Astronomy" reflects the electromagnetic waves coming from space in the form of audible sounds. For example, the constant noise emitted by the sun, the sound of Jupiter interacting magnetically with Lo, its nearest moon and the sound of the beating of a pulsing star.

Here you can hear the sound of a black hole: [link to abr.io]
Anonymous Coward
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09/17/2011 09:46 AM
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Re: Scientists Squeeze Light Past Quantum Limit
I heard(read, actually. In a brazillian magazine) that Gravity Waves can be translated into the 'sounds of the universe'. Interesting stuff... Here is what it says:

The gravitational waves, that would be the sound sources of the vacuum are a theory that is still waiting for confirmation, since we have not detected them. Still, there are simulations of how black holes would sound like. Another work that has to do with the sounds of the cosmos are from the New Zealand artist Honor Harger. His project, "Radio Astronomy" reflects the electromagnetic waves coming from space in the form of audible sounds. For example, the constant noise emitted by the sun, the sound of Jupiter interacting magnetically with Lo, its nearest moon and the sound of the beating of a pulsing star.

Here you can hear the sound of a black hole: [link to abr.io]
 Quoting: DeathScytheBR


Wow...I have been waiting for a long time for science to catch up.





GLP