Wednesday, July 27, 2011

Time Travel

#TimeTravel #BackToTheFuture #FluxCapacitor #ShatteredDreams

Yesterday, apparently, Scientists at the Hong Kong University of Science managed to disprove time travel by conducting experiments which involved accelerating photons to their maximum speed, which according to their results is not the speed of light.
I've had a hard time finding exactly what their experiments entailed so we will have to wait and see, but their results are pretty much on par with Einstein's theory of relativity.

"By showing that single photons cannot travel faster than the speed of light, our results bring a closure to the debate on the true speed of information carried by a single photon," said the research team leader Du Shengwang, assistant professor of physics.

"Our findings will also likely have potential applications by giving scientists a better picture on the transmission of quantum information."

If you have any interest in the physics involved with and the theories surrounding time travel and traveling at the speed of light, I highly recomend you read Stephen Hawking's "A Brief History of Time","A Briefer History of Time" & "The Universe in a Nutshell" (links below)
you can also download these as audiobooks from iTunes (no Stephen Hawking doesn't read it himself...unfortunately)

Whilst this whole 'time travel is impossible' business is a total bummer, i guess if there is a silver lining, it is that this all means that scientists can stop working on silly time travel and start working on hoverboards.


    this news is depressing

  2. While this whole time travel is impossible work is the sum of the problem, and I think if there is a silver lining it is that all of this means that scientists can stop working on time travel is ridiculous and start working .

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  3. didnt einstein say that you could travel through time if you could reach the speed of light?

  4. No, i recommend you read Hawking's "A Briefer History of Time" as it talks about this is some depth.

    The accepted theory surrounding a particle travelling at the speed of light, in a nutshell, is the faster a particle travels, the greater the amount of energy it requires to keep accelerating, the greater the energy the particle possesses which in turn results in the particles mass increasing.
    Just like a car - it takes energy to accelerate it, and the faster it travels the more kinetic energy it possesses.

    These increases all start to grow exponentially as the particle starts to approach the speed of light.
    By the time it has reached the speed of light, it will have infinite mass, and will have required infinite energy to get it there.

    in today's physics world and in the foreseeable future, this is inconceivably impossible.


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