News tagged with electrical signals

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Frogs without ears hear with their mouth

Gardiner's frogs from the Seychelles islands, one of the smallest frogs in the world, do not possess a middle ear with an eardrum yet can croak themselves, and hear other frogs. An international team of scientists ...

Sep 02, 2013
4.8 / 5 (4) 2 | with audio podcast

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 ...

Jun 06, 2013
5 / 5 (3) 0 | with audio podcast