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Physics at the threshold of hearing

(Phys.org) —The mammalian auditory system is one of the most sensitive detectors found in nature. Two kinds of cells, the inner and outer hair cells, work together to transduce mechanical vibrations into ...

Apr 10, 2013 report
4.7 / 5 (6) 4 | with audio podcast

Listening to the Big Bang—in high fidelity

A decade ago, spurred by a question for a fifth-grade science project, University of Washington physicist John Cramer devised an audio recreation of the Big Bang that started our universe nearly 14 billion ...

Apr 08, 2013
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Measuring the seeds of noctilucent clouds

(Phys.org) —A constant stream of space debris flows toward Earth from the rest of the solar system. Large meteors can sometimes survive the intense friction and heat upon entering Earth's atmosphere, but ...

Apr 04, 2013
5 / 5 (1) 1