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[TR] US gov boffins achieve speeds FASTER THAN LIGHT - Page 4

post #31 of 101
"
Quote:
Actually using this method to transmit normal humdrum information faster than light would still violate the laws of physics. However it seems that it might be possible to use four-wave superluminal signals to transmit quantum information, made up of qubits whose value is not simply 0 or 1 but potentially any value from 0 to 1.

This is the interesting part. ANYTHING that will help the transmission of quantum information is what will help us with LONG distance communication.
post #32 of 101
Quantum entanglements.
post #33 of 101
Quote:
Originally Posted by saucon View Post

they better call it the Ansible

I believe the Ansible was instantaneous, they should call this the Ansible C and a bit biggrin.gif

Edit: Also I looked up the definition of boffins. It appears to be UK slang for scientists, I've never heard that one before.
Edited by gelatin_factory - 5/7/12 at 9:25pm
post #34 of 101
FASTER THAN LIGHT is easy with an infinite power source.
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post #35 of 101
mm!i sure wont be using their computer if they are quantum ,because in theory ,they could predict what will be done before it is announced!50 ns isnt long ,but probably long enough; to insert whatever you want info inserted!hacker must be rejoicing today!
post #36 of 101
US gov? and they are telling us? thinking.gif seems fishy
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post #37 of 101
I think I figured this out. They used government light and it moved at the speed of light, so they assumed because of bureaucracy it would actually be moving faster than the speed of light for less money if it was in the private sector.
post #38 of 101
boffins rolleyes.gif They could at least give it a cool name like lithium crystals or something.
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post #39 of 101
Quote:
Originally Posted by USFORCES View Post

boffins rolleyes.gif They could at least give it a cool name like lithium crystals or something.
Just FYI
Quote:
bof·fin

noun /ˈbäfin/ 
boffins, plural

A person engaged in scientific or technical research
- a computer boffin

A person with knowledge or a skill considered to be complex, arcane, and difficult
- he had a reputation as a tax boffin, a learned lawyer
Boffin is describing the scientists that performed the research, not the material that allowed the laser peak to travel faster than the speed of light.

EDIT--unless you're mocking the boffins--I honestly couldn't tell, but I guess that could be it. smile.gif In that case, never mind.
Edited by guyladouche - 5/8/12 at 8:05pm
    
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post #40 of 101
Quote:
Originally Posted by yannickhk View Post

This.
The theory of general relativity has been observed and confirmed to be correct on many occasion. But I must disagree with you regarding Hubble, it indeed helped getting the necessary proof to consolidate the theory of general relativity.
Now, he never could finish the theory of "everything" (unified theory of all the main forces in the universe: gravity, weak nuclear force, strong nuclear force, EM ...) because he wasn't aware of all the forces in play. Now, I can't remember which ones it was, but some nuclear forces were only discovered after his death, hence the failure.
It is basically what they're trying to do with the super string theory. Relativity and quantum theories put together.
I am no physicist, maybe someone with more knowledge than me can be clearer. I read about this stuff on the internet and in the book of Hawking - "a brief history in time"

That's not completely true. The problem with grand unification is that there are underlying properties to the classical theory of gravity that don't translate well under quantization. People have been coming up with theories of quantum gravity for the last 70 years, but none of them have given the first step towards a useable theory - a physical Hamiltonian. Every theory has a Hamiltonian which basically tells you (this example is for Newtonian mechanics) "if I'm at position x1 with momentum p1 then after a certain time t I will be at x2 with momentum p2". Quantum mechanics, QED, QCD, Relativity, etc all have Hamiltonians which let you actually calculate the physically relevant things you're interested in.

Back to the article though. From what I can tell all they're talking about here is the phase velocity of the photon which everyone knows can be faster than the speed of light because its not a physically meaningful quantity. Unless there is something I'm missing this is completely bogus. They also fail to mention any error in their measurements.
Edited by Sourtop - 5/8/12 at 8:37pm
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