On Tue, Feb 19, 2019 at 1:28 PM <[email protected]> wrote: > > >> If you want to meet me in Manhattan you're going to have to give me 4 >> numbers (aka dimensions); 2 of them will give me the street corner, another >> one will tell me what floor to get off the elevator, and the fourth will >> give me the time of the meeting. >> > > *> You seem to have a firm grasp of the obvious. * >
Is there any particular reason you always feel the need to be a dick even to one who is trying his best to answer your questions? > *> Perhaps the reason space and time must be merged is for a much deeper > reason; namely, only by merging them can we get a curvature of the result. > AG * > Talk about a firm grasp of the obvious! You can't have a curve without at least 2 dimensions. > *>> Also, why is it that Newton's law of gravity is not Lorentz invariant, >>> yet it seems to work in all inertial frames? TIA, AG * >>> >> >> Newton's law of gravity only approximately works, although the >> approximation is quite good provided the speeds involved are not too large >> and the spacetime curvature (aka gravity) is not too great. Newton's world >> was not Lorentz invariant because there was no limit on how fast you could >> go, so the laws of physics would look different depending on how fast you >> were going; if you could move at the speed of light in a closed elevator >> you could tell you were moving because a beam of light would look frozen >> in violation of Maxwell's Equations which says light always moves at the >> same speed. Therefore if things are Lorentz invariant you can't move at the >> speed of light in a closed elevator. >> >> By the way, when Maxwell came up with his theory some thought the one >> flaw in the idea was that the speed of light that the theory produced with >> did not say the speed relative to what. But Einstein realized that >> Maxwell's greatest flaw was really his greatest triumph. >> > > *> Can you cite any statement by Einstein to this effect? AG * > I could, but it would be obvious. > >>Motion is how a change in time relates to a change in space, if >> spacetime is flat a given instance in time corresponds to a particular >> point in space, if spacetime is curved that same instance in time would >> correspond to a different point in space. >> > > *> Please elaborate.* > No, why should I? > * > I don't understand* > I'm not surprised. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
