Harnessing sound for health

When a person develops a kidney stone or a gall stone—hard accumulations of minerals and other compounds created by the body—they can experience a great deal of pain and discomfort. In more advanced cases, these stones ...

Shock-dissipating fractal cubes could forge high-tech armor

Tiny, 3-D printed cubes of plastic, with intricate fractal voids built into them, have proven to be effective at dissipating shockwaves, potentially leading to new types of lightweight armor and structural materials effective ...

Record-shattering underwater sound

A team of researchers has produced a record-shattering underwater sound with an intensity that eclipses that of a rocket launch. The intensity was equivalent to directing the electrical power of an entire city onto a single ...

Astronomers glimpse supernova shockwave

Astronomers have captured the earliest minutes of two exploding stars and for the first time seen a shockwave generated by a star's collapsing core.

Japan's maglev train runs test at over 310 mph (w/ Video)

(Phys.org) —Moving toward its goal of building a high-speed magnetic levitation (maglev) train line between Tokyo and Osaka, Central Japan Railway Co has resumed testing of its L0 (L Zero) train—demonstrating speeds just ...

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