Hence in both frames of reference, the pole fits inside the barn (and will presumably shatter when the doors are closed).??? <a href="http://hyperphysics.phy-astr.gsu.edu/Hbase/Relativ/bugrivet.html">http://hyperphysics.phy-astr.gsu.edu/Hbase/Relativ/bugrivet.html</a> ???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.