sound

(Newser) - Scientists have discovered a new dimension to the sub-aural sound emanating from our planet’s crust, dubbed “Earth’s hum.” Researchers have known about the hum, detectable only by seismometers, for a decade, though its ultimate cause is unclear. They expected to find hidden oscillations, but the amplitude...

(Newser) - Thomas Edison and associates might've been first to hear recorded sound, but scientists have revealed they weren’t the first to create it, the New York Times reports. A 10-second recording of “Au Clair de la Lune” made in 1860—17 years before Edison patented the phonograph—has finally...

(Newser) - Researchers are making progress on something that sounds right out of the pages of Harry Potter—a sort of invisibility cloak for sound. A team of scientists in Spain is trying to turn theory into reality by creating a cloak that causes sound waves to slip around an object, the ...

(Newser) - Companies that aren't tuning in to the business implications of sound are missing a beat, the Economist writes. And there are a lot of them. Sound affects everything from office productivity (noisy open-floor plans diminish it) to how much customers buy (slow music makes people linger longer).