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Thread: Scientists ‘freeze’ light for an entire minute

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    Default Scientists ‘freeze’ light for an entire minute

    In what could prove to be a major breakthrough in quantum memory storage and information processing, German researchers have frozen the fastest thing in the universe: light. And they did so for a record-breaking one minute.
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    It sounds weird and it is. The reason for wanting to hold light in its place (aside from the sheer awesomeness of it) is to ensure that it retains its quantum coherence properties (i.e. its information state), thus making it possible to build light-based quantum memory. And the longer that light can be held, the better as far as computation is concerned. Accordingly, it could allow for more secure quantum communications over longer distances.

    Needless to say, halting light is not easy — you can't just put in the freezer. Light is electromagnetic radiation that moves at 300 million meters per second. Over the course of a one minute span, it can travel about 11 million miles (18 million km), or 20 round trips to the moon. So it's a rather wily and slippery medium, to say the least.
    But light can be slowed down and even halted altogether. And in fact, researchers once kept it still for 16 seconds by using cold atoms......Continue Here





    Source Scientists ?freeze? light for an entire minute
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    Default Re: Scientists ‘freeze’ light for an entire minute

    I see much faster computing ahead,..........

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    Default Re: Scientists ‘freeze’ light for an entire minute

    Quote Originally Posted by realneil View Post
    I see much faster computing ahead,..........

    I'm still trying to get my head around the fact they froze light in place. I ended up asking myself a bunch of questions after reading this. It was frozen for 1 minute. Where did the light go after? Does it continue on its path or bleed out in infinite directions? If the light was stopped what energy was placed on it to began moving again for it to "unfreeze". Newtons law #1 I. Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it. Instead of focusing on the light focus on the energy that can propel light forward. quantum physics are cool as hell.

    Fact of the day: Quantum superposition is a fundamental principle of quantum mechanics that holds that a physical system—such as an electron—exists partly in all its particular theoretically possible states (or, configuration of its properties) simultaneously; but when measured or observed, it gives a result corresponding to only one of the possible configurations.

    A bit on your hard drive is either a 1 or a 0. A Qubit is a 1 AND a 0 at the same time. This means many calculations can be performed simultaneously – "a quantum computer with just 42 qubits would match the fastest supercomputer in Europe, JUGENE, which is capable of one quadrillion operations a second."

    yeah but can it play Crysis 3?

    That is some weird sh*t!
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