No matter whether it is acoustic waves, quantum matter waves or optical waves of a laser—all kinds of waves can be in different states of oscillation, corresponding to different frequencies. Calculating these frequencies ...
General Physics
Jul 25, 2016
1
43
Columbia Engineering researchers, working with colleagues at Disney Research and MIT, have developed a new method to control sound waves, using a computational approach to inversely design acoustic filters that can fit within ...
Computer Sciences
Jul 18, 2016
1
465
University of Melbourne scientists have shone a new light into the complexities of ant communication, with the discovery that ants not only pick up information through their antennae, but also use them to convey social signals.
Plants & Animals
Mar 30, 2016
0
157
A method to rotate single particles, cells or organisms using acoustic waves in a microfluidic device will allow researchers to take three dimensional images with only a cell phone. Acoustic waves can move and position biological ...
General Physics
Mar 23, 2016
0
461
For a few weeks in early fall, Georges Bank—a vast North Atlantic fishery off the coast of Cape Cod—teems with billions of herring that take over the region to spawn. The seasonal arrival of the herring also attracts ...
Plants & Animals
Mar 2, 2016
0
18
Acoustic-gravity waves are very long sound waves that cut through the deep ocean at the speed of sound. These lightning-quick currents can sweep up water, nutrients, salts, and any other particles in their wake, at any water ...
General Physics
Feb 29, 2016
0
77
Researchers at the French National Centre for Scientific Research, CNRS, and the University of Lorraine have recently developed a design for a coiled-up acoustic metasurface which can achieve total acoustic absorption in ...
General Physics
Feb 9, 2016
4
2096
Outside of humans, the ability to adjust the intensity of acoustic signals with distance has only been identified in songbirds. Research published Feb. 3, 2016 in Neuron now demonstrates that the male fruit fly also displays ...
Plants & Animals
Feb 3, 2016
0
11
Acoustic tweezers that can move single cells in three dimensions using surface acoustic waves without touching, deforming or labeling the cells are possible, according to a team of engineers.
General Physics
Jan 25, 2016
0
1103
Like Beanie Babies and Steve Urkel, the systems we use to transmit information through water bring to mind the 1990s.
Engineering
Jan 25, 2016
0
29
