Recent content by Luke987

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    Graduate Quantum Mechanics and the Universe

    Hmm, but isn't that the whole idea? Quantm fluctuation explains how something can come from nothing as no energy is required.
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    Graduate Quantum Mechanics and the Universe

    How is it even possible that particles can appear without any energy conservation (ie quantum fluctuation)?
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    Graduate Quantum Mechanics and the Universe

    So is there definitely no way quantum fluctuation could explain how the singularity came to be?
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    Graduate Quantum Mechanics and the Universe

    Well I read that the laws of physics were instigated at the Big Bang. I'm just looking as to what may have made them since apparently they were created.
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    Graduate Quantum Mechanics and the Universe

    So is it impossible for Quantum Fluctuation to make the laws of physics etc? If so, why?
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    Graduate Quantum Mechanics and the Universe

    As a beginner to Science I want to pose the following question. Can QM account for how something came form nothing? This being the sincularity that perpetrated the Big Bang. If not, why not? Is it because energy conservation is required? What about Quantum fluctuation?
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    Graduate How Does Time Dilation Affect Perception of Speed in Relativistic Space Travel?

    Thanks for the post JesseM. As you may have guessed I'm new to physics so sorry for any badly strung sentences. So if the ship has nothing to compare its velocity too, no 'frame', then the passengers feel at rest and another ship too flying near to c, relative to Earth say, would look to be in...
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    Graduate How Does Time Dilation Affect Perception of Speed in Relativistic Space Travel?

    It is my understanding that, as an example, a spaceships (traveling close to the speed of light) inhabitants would appear to be moving very slowly to us on Earth as a result of time dilation yet would the ship be moving monstrously fast? Also, if two ships at said speeds above were to pass each...
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    Geological aspect of mountains?

    Interesting stuff.
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    Geological aspect of mountains?

    Though would you say more consistent weather would make up for that and thus no mountains would be good?
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    Geological aspect of mountains?

    Thanks for the quick replies. So is it safe to say that there would be no real problem if mountains weren't on Earth? Would it have been a problem back in Homo sapiens periods etc when they had no idea on how to make sea water drinkable or the like? I don't see it leading to extinction. All...
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    Geological aspect of mountains?

    A few days ago I heard that if mountains, really a result of plate tectonics, didn't exist our planet would only be covered by a few thousand feet of water and that it would have a perfect geode form. How true is this? Scientifically have they been given a purpose? (Not interested in...