These are wonderful! They recently had a micro-short-story competition (200 chars or less). This was one of the runners up: "off that switch, Professor! Your t

These are wonderful! They recently had a micro-short-story competition (200 chars or less). This was one of the runners up: "off that switch, Professor! Your time machine can't travel back in time past the moment of its own creation and instead will trap the Universe in an endlessly recursive time-like loop! Take your hands" http://www.nature.com/nature/journal/v508/n7494/full/508144a.html http://www.nature.com/nature/journal/v508/n7494/full/508144a...