Self-replicating machines have been the subject of theoretical discussion since the early days of computing and robotics, but only two physical devices that can replicate have been reported. One uses Lego parts assembled in a two-dimensional pattern by moving along tracks; another uses an arrangement of wooden tiles that tumble into a new arrangement when given a shove.
Wooden tiles that replicate when they tumble? Does that means next time you play Jenga, a naked Arnold Schwartzenegger is going to materialize and kill the loser? That sounds like a sweet drinking game.
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Self-replicating machines have been the subject of theoretical discussion since the early days of computing and robotics, but only two physical devices that can replicate have been reported. One uses Lego parts assembled in a two-dimensional pattern by moving along tracks; another uses an arrangement of wooden tiles that tumble into a new arrangement when given a shove.
Wooden tiles that replicate when they tumble? Does that means next time you play Jenga, a naked Arnold Schwartzenegger is going to materialize and kill the loser? That sounds like a sweet drinking game.
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