TURDS. THEIR PLACE IN SOCIETY.
in [Logic]
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From: John Jones on 27 Mar 2010 21:05 John Jones wrote: > 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
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