Earthworms creep along the ground by alternately squeezing and stretching muscles along the length of their bodies, inching forward with each wave of contractions. Snails and sea cucumbers also use this mechanism, called ...
Robotics
Aug 10, 2012
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In some circles, memristors (from "memory resistor," as coined by Leon Chua in a 1971 paper outlining memristive theory) are all the rage – and for good reason: As circuit elements which "remember" the amount of current ...
A second, lighter-weight test rover has entered the testing setup at JPL where rover team members are assessing strategy for getting Spirit out of soft soil where it is embedded on Mars.
Space Exploration
Aug 24, 2009
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