How acoustics can be an early warning system for bridges
Jinying Zhu's emerging technology is on the ball, off the chain and poised to make bridges safe by sound.
Engineering
Aug 9, 2017
0
19
News tagged with acoustic
Study finds way to pack more data in single acoustic beam for underwater communications
A new strategy for sending acoustic waves through water could potentially open up the world of high-speed communications activities underwater, including scuba diving, remote ocean monitoring, and deep-sea exploration.
General Physics
Jun 26, 2017
2
422
New ultrasound techniques for peering inside bony structures
Ultrasound—sound with frequencies higher than those audible to humans—is commonly used in diagnostic imaging of the body's soft tissues, including muscles, joints, tendons and internal organs. A technology called high-intensity ...
General Physics
Jun 26, 2017
0
22
Sound waves direct particles to self-assemble, self-heal
An elegantly simple experiment with floating particles self-assembling in response to sound waves has provided a new framework for studying how seemingly lifelike behaviors emerge in response to external forces.
General Physics
Jun 19, 2017
0
2368
Acoustic emissions from organic martensite analogues
Some organic crystals jump around when heated up. This happens because of an extremely fast change in their crystal structure. In the journal Angewandte Chemie, scientists have now demonstrated that the crystals send out ...
Condensed Matter
Jun 15, 2017
0
10
Call of the wild: acoustic Localization of Bryde's whale calls yields insights into their behavior
Researchers at the Space and Naval Warfare Systems Center Pacific (SSC Pacific) have recorded a Bryde's whale (Balaenoptera edeni) call for the first time from the Hawaiian Islands, which appears to be similar to a Bryde's ...
Plants & Animals
Jun 8, 2017
0
28
Device designed to exploit scattering of light by mechanical vibrations
Researchers at the University of Campinas's Gleb Wataghin Physics Institute (IFGW-UNICAMP) in São Paulo State, Brazil, have theorized a silicon photonic device that would enable optical and mechanical waves vibrating at ...
General Physics
Jun 7, 2017
0
9
Mapping super massive black holes in the distant universe
Astronomers have constructed the first map of the universe based on the positions of supermassive black holes, which reveals the large-scale structure of the universe.
Astronomy
May 19, 2017
4
587
First underwater carpet cloak realized with metamaterial
Researchers at the Institute of Acoustics (IOA) of the Chinese Academy of Sciences have designed and fabricated an underwater acoustic carpet cloak using transformation acoustics, a scientific first. The research was published ...
General Physics
May 8, 2017
0
12
More objective than human hearing
In industrial production, the testing of machines and products by means of acoustic signals still takes a niche role. At the Hannover Messe 2017, Fraunhofer is exhibiting a cognitive system that detects erroneous sounds more ...
Engineering
Apr 3, 2017
0
4
