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Message: <blockquote data-quote="T_G" data-source="post: 109264" data-attributes="member: 175083">Ahhh Perpetuum Mobile, sought after almost as much as creating gold from lead. So close yet so far.....I always thought the universe will expand until it one day slows down, and then start to pull back towards the centre, untill all matter collides, condenses and collapses until the big bang starts all over again. Some sort of strange two stroke motor...Regarding the possibilities of space travel and propulsion systems, the creation of miniature black holes was mention in a book, can't remember which one. Wasn't there a bit of a scare that the funny magnetic accelerator in Swisserland could create a black hole if the experiments there went funny? There was also a movie I believe...</blockquote>