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'Pied piper' robot could lead fish away from harm
It may not look particularly appealing to the likes of you or me, but the robot fish  is so cool that real ones will follow its lead.
 

Researchers from Polytechnic Institute of New York University designed their fish to mimic the tail propulsion of a real swimming fish, and tested it out with a variety of tail beat frequencies and flow speeds.

In nature, fish at the front of a school beat their tails more frequently, creating a wake in which their followers gather. The followers' tails swish noticeably more slowly, leading researchers to believe that they're getting a hydrodynamic advantage from the leaders’ hard work.

Read the complete story from TG Daily.

 

 

 

 

 

 

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LA TIMES: Alaska mine would be a Bristol Bay disaster waiting to happen

December 19, 2014 -- President Obama's decision to permanently protect Alaska's Bristol Bay and adjacent lands from oil and gas drilling is so clearly the correct decision that the only objections will come from those whose sole interest is the welfare of those two energy industries.