27/10/2015

May the fifth force be with you

Discovering possible new forces in nature is no mean task. The discovery of gravity linked to Newton's arguably apocryphal apple experiment has remained anchored in popular culture. In January 1986, Ephraim Fischbach, Physics ...

Physics of 'booming' and 'burping' sand dunes revealed

Avalanching sand from dune faces in Death Valley National Park and the Mojave Desert can trigger loud, rumbling "booming" or short bursts of "burping" sounds—behaving as a perfectly tuned musical instrument.

Review: Google's Chromecast is tops for inexpensive streaming

When it debuted two years ago, Google's Chromecast shook up the market for digital streaming devices. The company is hoping now to build on that success, releasing a new and improved version of the Chromecast.

Coating cancels acoustic scattering from odd-shaped objects

In a new twist, a team of researchers from the U.S. Naval Research Laboratory and the University of Texas at Austin has applied to acoustic waves the concept of "scattering cancellation," which has long been used to systematically ...

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