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Tuesday, September 16, 2014

ScienceDaily: Consumer Electronics News

ScienceDaily: Consumer Electronics News


Run, cheetah, run: New algorithm enables cheetah robot to run and jump, untethered, across grass

Posted: 15 Sep 2014 08:45 AM PDT

Speed and agility are hallmarks of the cheetah: The big predator is the fastest land animal on Earth, able to accelerate to 60 mph in just a few seconds. As it ramps up to top speed, a cheetah pumps its legs in tandem, bounding until it reaches a full gallop.

Study sheds new light on why batteries go bad

Posted: 14 Sep 2014 12:52 PM PDT

A comprehensive look at how tiny particles in a lithium ion battery electrode behave shows that rapid-charging the battery and using it to do high-power, rapidly draining work may not be as damaging as researchers had thought -- and that the benefits of slow draining and charging may have been overestimated. The results challenge the prevailing view that 'supercharging' batteries is always harder on battery electrodes than charging at slower rates.

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