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Hungry bats compete for prey by jamming sonar

In their nightly forays, bats hunting for insects compete with as many as one million hungry roost-mates. A study published today in Science shows that Mexican free-tailed bats jam the sonar of competitors to gain advantage ...

dateNov 06, 2014 in Plants & Animals
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Robot hands gain a gentler touch

(Phys.org) —What use is a hand without nerves, that can't tell what it's holding? A hand that lifts a can of soda to your lips, but inadvertently tips or crushes it in the process?

dateApr 18, 2013 in Engineering
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Taking the bite out of baseball bats

Miss hitting the "sweet spot" on a baseball bat and the resulting vibrations can zing your hands. Bat companies have tried for decades to reduce these painful shocks with limited success. But Daniel Russell, a professor in ...

dateOct 18, 2012 in General Physics
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