News tagged with acoustic waves

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The world's smallest microlaser

ETH-Zurich physicists (Switzerland) have developed a new kind of laser that shatters the boundaries of possibility: it is by far the smallest electrically pumped laser in the world and one day could revolutionize ...

Mar 23, 2010
4.6 / 5 (27) 5 | with audio podcast

Researchers build acoustic tractor beam

(Phys.org) —A team of researchers with members from the U.K., Scotland and the U.S. has built a functioning acoustic tractor beam in a lab—one that is able to pull objects of centimeter size. In their ...

May 08, 2014 report
4.4 / 5 (28) 2

Designing an acoustic diode

Most people know about ultrasound through its role in prenatal imaging: those grainy, grey outlines of junior constructed from reflected sound waves. A new technology called an "acoustic diode," envisioned ...

Nov 01, 2013
4.5 / 5 (22) 0 | with audio podcast

Surfing on acoustic waves (w/ Video)

(Phys.org) —ETH researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves. For the first time, they have been able to also control ...

Jul 16, 2013
4.8 / 5 (19) 3 | with audio podcast