A new prototype known as the ChemBot may take the trend of making robots more like living organisms in a very interesting new direction.  The ChemBot - which has already caught the eye of DARPA and the U.S. Army - resembles a ball of goo that can grow, shrink, and roll around on its own.
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Humanity, while still relatively new to space, needed little time to foul it up.  The area surrounding our planet is full of dead satellites, lost wrenches, and other crap that make it much harder for new missions to succeed.  But some robots may fix that in about four years.
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Modern space travel seems horribly boring compared to the stuff portrayed in a lot of science fiction; we can’t even get astronauts to nearby planets in a reasonable amount of time.  But tests on a plasma rocket that would speed things up are going well.
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