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Lasers generate underwater sound

Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new ...

dateSep 04, 2009 in General Physics
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Strong earthquake at exceptional depth

This morning at 05:45 CEST, the earth trembled beneath the Okhotsk Sea in the Pacific Northwest. The quake, with a magnitude of 8.2, took place at an exceptional depth of 605 kilometers. Because of the great ...

dateMay 24, 2013 in Earth Sciences
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Paleomagnetists put controversy to rest

(PhysOrg.com) -- Princeton University scientists have shown that, in ancient times, the Earth's magnetic field was structured like the two-pole model of today, suggesting that the methods geoscientists use ...

dateOct 02, 2009 in Earth Sciences
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