News tagged with spectrogram

Simple rubber device mimics complex bird songs

For centuries, hunters have imitated their avian prey by whistling through their fingers or by carving wooden bird calls. Now a team of physicists at Harvard University in Cambridge, Massachusetts, has reproduced many of ...

dateNov 21, 2010 in General Physics
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Disappearing vowels 'caught' on tape in US midwest

Try to pronounce the words "caught" and "cot." If you're a New Yorker by birth, the two words will sound as different as their spellings. But if you grew up in California, you probably pronounce them identically.

dateOct 26, 2009 in Other
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NASA scientists listen to data

Robert Alexander spends parts of his day listening to a soft white noise, similar to water falling on the outside of a house during a rainstorm. Every once in a while, he hears an anomalous sound and marks ...

dateSep 05, 2014 in Space Exploration
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Mysterious molecules in space

Over the vast, empty reaches of interstellar space, countless small molecules tumble quietly though the cold vacuum. Forged in the fusion furnaces of ancient stars and ejected into space when those stars ...

dateJul 29, 2014 in Astronomy
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50 years of Mars observations

(Phys.org) —In 1964, Caltech astronomy professor Guido Münch and Jet Propulsion Laboratory space scientists Lewis Kaplan and Hyron Spinrad pushed the world's second-largest telescope to its limits and ...

dateMay 08, 2014 in Space Exploration
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