On Tue, Feb 19, 2019 at 1:28 PM <agrayson2...@gmail.com> 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 everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
