News tagged with low frequencies

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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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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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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Planck instrument loses its cool

( -- After an impressive two and a half years of operation, Planck's High Frequency Instrument has finally exhausted its onboard coolant gases and reached the end of its very successful mission. Meanwhile the ...

dateJan 17, 2012 in Space Exploration
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