News tagged with low frequencies

New technology modifies music hall acoustics

A new technology that relies on a system of inflatable sound absorbers may help make any performance hall instantly convertible into a venue for music ranging from classical to hard rock. The technology will be described ...

dateMay 31, 2013 in General Physics
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Disappearing homing pigeon mystery solved

Homing pigeons are usually remarkably efficient navigators, however, on rare occasions, things go drastically wrong. So, when Jon Hagstrum of the US Geological Survey read in his local newspaper about two races when pigeons ...

dateJan 30, 2013 in Plants & Animals
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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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Badgers inspire 3D tracking tech

(Phys.org) -- 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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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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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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