News tagged with acoustic

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 (23) 0 | with audio podcast

Using sound waves for bomb detection

(Phys.org) —A remote acoustic detection system designed to identify homemade bombs can determine the difference between those that contain low-yield and high-yield explosives.

Oct 23, 2013
3.7 / 5 (3) 0 | with audio podcast

A unique glance into the Sun's atmosphere

Three months after the flight of the balloon-borne solar observatory Sunrise, scientists from the Max Planck Institute for Solar System Research (MPS) in Germany now present unique insights into the central ...

Sep 25, 2013
5 / 5 (6) 3 | with audio podcast

Clot-dissolving bubbles to treat strokes?

(Medical Xpress)—Researchers are using computer simulations to investigate how ultrasound and tiny bubbles injected into the bloodstream might break up blood clots, limiting the damage caused by a stroke ...

Sep 25, 2013
4.7 / 5 (3) 0 | with audio podcast

Acoustic waves warn of tsunami

An early warning system against tsunamis has been developed and tailored for the need of the Mediterranean, but preparedness on the ground is paramount to ensuring peoples' safety.

Aug 29, 2013
5 / 5 (1) 0

Radar exposing water leaks

A wide range of technologies deal with water leaks. But the most recent innovative solutions aim to be far more effective than any other prior technologies.

Aug 09, 2013
5 / 5 (2) 0

A layer of tiny grains can slow sound waves

In some ways, granular material—such as a pile of sand—can behave much like a crystal, with its close-packed grains mimicking the precise, orderly arrangement of crystalline atoms. Now researchers at ...

Aug 05, 2013
5 / 5 (2) 2 | with audio podcast