News tagged with low frequencies

Large moths need to hear better

Bats orient themselves through echolocation, and they find their prey by emitting calls and then process the echoes reflected back to them from the prey. Small insects reflect small echo signals, and large insects reflect ...

dateAug 19, 2013 in Plants & Animals
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Hair sensor uncovers hidden signals

An "artificial cricket hair" used as a sensitive flow sensor has difficulty detecting weak, low-frequency signals – they tend to be drowned out by noise. But now, a bit of clever tinkering with the flexibility of the tiny ...

dateJun 06, 2013 in Nanophysics
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Badgers inspire 3D tracking tech

( -- Technology originally developed to track badgers underground could soon be used to locate people in an emergency situation such as a bomb attack or earthquake.

dateJun 12, 2012 in Engineering
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Baleen whales hear through their bones

Understanding how baleen whales hear has posed a great mystery to marine mammal researchers. New research by San Diego State University biologist Ted W. Cranford and University of California, San Diego engineer Petr Krysl ...

dateJan 29, 2015 in Plants & Animals
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