News tagged with electrical signals

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Graphene could yield cheaper optical chips

Graphene—which consists of atom-thick sheets of carbon atoms arranged hexagonally—is the new wonder material: Flexible, lightweight and incredibly conductive electrically, it's also the strongest material ...

Sep 16, 2013
4.8 / 5 (10) 0 | with audio podcast

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