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Science Robot salamander casts light on swim-walk transition
Science Robot salamander casts light on swim-walk transition | Robot salamander casts light on swim-walk transition |
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| by Stephen Withers | |
| Friday, 09 March 2007 | |
  
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Science DiscussionsThe team then built a robot salamander embodying these ideas and an artificial nervous system based on that of the lamprey. As the current applied to the 'spinal cord' is increased, the walking motion accelerates until it reaches its maximum and then the sinuous swimming action kicks in. The significance is not simply that it works - the robot is only doing what it was designed to - but that it shows that a walking 'circuit' could have evolved in the first amphibians as a relatively simple add-on to the existing ability to swim.{moscomment} |
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