TURDS. THEIR PLACE IN SOCIETY.
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From: John Jones on 27 Mar 2010 21:05 Pentcho Valev wrote: > Theoretically, the null result of the Michelson-Morley experiment can > be obtained by assuming that: > > (A) The speed of light varies with the speed of the light source (c'=c > +v); the principle of relativity is correct; there are no miracles > (length contraction, time dilation). > > (B) Einstein's 1905 light postulate (c'=c) is correct; the principle > of relativity is correct; there are miracles (length contraction, time > dilation). > > There is no reasonable third alternative. That is, Newton's emission > theory of light with its constitutive equation c'=c+v is the ONLY > alternative to special relativity. Moreover, the emission theory is > TRUE and special relativity FALSE unless one finds natural that a > long train can be trapped inside a short tunnel, an 80m long pole can > be trapped inside a 40m long barn and a bug can be both dead and > alive: > > http://www.youtube.com/watch?v=VSRIyDfo_mY&mode=related&search > > http://math.ucr.edu/home/baez/physics/Relativity/SR/barn_pole.html > "These are the props. You own a barn, 40m long, with automatic doors > at either end, that can be opened and closed simultaneously by a > switch. You also have a pole, 80m long, which of course won't fit in > the barn. Now someone takes the pole and tries to run (at nearly the > speed of light) through the barn with the pole horizontal. Special > Relativity (SR) says that a moving object is contracted in the > direction of motion: this is called the Lorentz Contraction. So, if > the pole is set in motion lengthwise, then it will contract in the > reference frame of a stationary observer.....So, as the pole passes > through the barn, there is an instant when it is completely within the > barn. At that instant, you close both doors simultaneously, with your > switch. Of course, you open them again pretty quickly, but at least > momentarily you had the contracted pole shut up in your barn. The > runner emerges from the far door unscathed.....If the doors are kept > shut the rod will obviously smash into the barn door at one end. If > the door withstands this the leading end of the rod will come to rest > in the frame of reference of the stationary observer. There can be no > such thing as a rigid rod in relativity so the trailing end will not > stop immediately and the rod will be compressed beyond the amount it > was Lorentz contracted. If it does not explode under the strain and it > is sufficiently elastic it will come to rest and start to spring back > to its natural shape but since it is too big for the barn the other > end is now going to crash into the back door and the rod will be > trapped in a compressed state inside the barn." > > http://hyperphysics.phy-astr.gsu.edu/Hbase/Relativ/bugrivet.html > "The bug-rivet paradox is a variation on the twin paradox and is > similar to the pole-barn paradox.....The end of the rivet hits the > bottom of the hole before the head of the rivet hits the wall. So it > looks like the bug is squashed.....All this is nonsense from the bug's > point of view. The rivet head hits the wall when the rivet end is just > 0.35 cm down in the hole! The rivet doesn't get close to the > bug....The paradox is not resolved." > > Pentcho Valev > pvalev(a)yahoo.com |