Robotic sonar system inspired by bats

Rolf Mueller, an associate professor of mechanical engineering in the College of Engineering at Virginia Tech, has developed a prototype of a dynamic sonar system inspired by horseshoe bats.

dateMay 20, 2015 in Plants & Animals
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Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
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Supernova ignition surprises scientists

Scientists have captured the early death throes of supernovae for the first time and found that the universe's benchmark explosions are much more varied than expected.

dateMay 20, 2015 in Astronomy
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