Bush robot
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Bush robots, as envisioned by Hans Moravec, are the ultimate in dexterity. They earn their nickname from their appearance: bush robots have an immovable base which repeatedly branches in a fractal way into trillions of nanoscale fingers. According to the author, it will be half a century before we have the required technology to build them.
Bush robots are also referenced as very recent technology in the Transhuman Space roleplaying game. They also feature in some novels, such as Iron Sunrise, by author Charles Stross.
Bush robots play an important role in Ken Macleod's The Cassini Division, part of his science-fiction series The Fall Revolution.