Acoustic tweezers are based on focused acoustic vortices and hold promise to precisely manipulate microorganisms and cells from the millimeter scale down to the submicron scale, without contact, and with unprecedented selectivity ...
Researchers have tested the sounds made by six different acoustic guitars in a study addressing the effects of the type of wood used in their construction.
General Physics
Jan 22, 2019
0
37
Eavesdropping on groupers mating in their natural habitats isn't creepy. In fact, it's imperative to ensuring their survival. For years, scientists have used passive acoustic monitoring techniques to study the behavior of ...
Ecology
Dec 12, 2018
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5
A research group led by Assistant Professor Yosuke Ishii at Toyohashi University of Technology has unraveled the phenomenon of a new "third ultrasonic wave" being generated when two ultrasonic waves intersect within a plate. ...
General Physics
Sep 13, 2018
0
6
Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the subaudible sound pressure levels as "annoying." They claim this nuisance negatively ...
Environment
Jun 5, 2018
3
28
Millions of years of evolutionary fine-tuning have made dolphins phenomenally good at using echolocation to orient themselves, find food and communicate with one another. But how do they actually do it? New research from ...
Engineering
Jun 1, 2018
0
16
While humans can only broadcast about one percent of their vocal power through their speech, some animals and mammals are able to broadcast 100 percent. The secret to their long-range howls? A combination of high pitch, a ...
Plants & Animals
May 21, 2018
0
47
What are crows saying when their loud cawing fills a dark winter's evening? Despite the inescapable ruckus, nobody knows for sure. Birds congregate daily before and after sleep, and they make some noise, but what might be ...
Plants & Animals
Dec 5, 2017
1
633
Scientists have reported the first dive depths for Gervais' and True's beaked whales, two of the least known beaked whale species known as mesoplodonts. The study is also the first to use a towed linear hydrophone array to ...
Plants & Animals
Oct 11, 2017
0
9
Ongoing research in Sweden reveals that when navigating by echolocation, as blind people do, our powers of hearing can be used in ways we never realized.
Other
Sep 8, 2017
0
4
