Recent content by hamilton00989

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    Graduate Does spacetime could curved in a square way ?

    Yes, this is the answer I have been looking for. Thanks a lot!
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    Graduate Does spacetime could curved in a square way ?

    Does spacetime could curved in a "square way"? Suppose there is a square mass object in the universe (I know its impossible, but suppose...). Does spacetime will curved in a "square way"? I believe that not as GR is defined on a smooth manifold. Am I right?
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    Graduate Riding on a Photon: Is Time Really Eternal?

    I do aware that it is impossible to be in a frame with C velocity. But suppose I could ride a photon (suppose). Outside observers will say that my clock ( on the photon frame) will stop. From my point of view (riding on the photon), all the universe will be eternity ( time will not run). Is...