/u/Joe_Kickass's posts
How dangerous were the voyages of the New World explorers in the 14 & 1500's (Cartier, Columbus, Magellean etc...)?
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When a large asteroid (10km) strikes the earth what will the experience be like to an observer on the opposite side of the planet?
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Is the teleportation of normal matter and/or living beings feasible? Is anyone actually working toward that goal today?
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