Robots that look just like animals
What you see above looks like a sort of electronic cucumber, but in fact it's a robot, a tube of nickel and titanium wires designed to mimic the movements of a worm. Why replicate a slimy invertebrate? In fact, the robot, which can slither on its own like a real worm, could hold the technology that may be used in future endoscopes and similar medical procedures.
In any case, today the robot is just a worm, and it's not the first to be made to look just like an animal. From man-made birds to battery-powered fish, here are 10 robots that mimic the world's animals.
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More and more, farmers are managing pests with biopesticides, natural combatants that come from sources like bugs, plants, and bacteria. In the 1970s a... More More and more, farmers are managing pests with biopesticides, natural combatants that come from sources like bugs, plants, and bacteria. In the 1970s and '80s, scientists used a parasitic wasp from South America to manage a mealy bug infestation threatening Africa’s important cassava crop. By 2050 we'll need to feed two billion more people. Click here for a special eight-month series exploring how we can do that—without overwhelming the planet: http://food.nationalgeographic.com. Watch more Food by the Numbers videos: http://www.nationalgeographic.com/foodbynumbers/
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