Much later Einsteinians were compelled to introduce length elongation in order to explain the following absurd consequence of the false postulate: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 th