The sonar system of bats exploits spatial information in a way similar to our sense of sight, despite the different anatomy of eyes and ears. In a new study, scientists at the Max Planck Institute for Ornithology in Seewiesen ...
Plants & Animals
Apr 24, 2019
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22
The Aegean Sea has seen a "very unusual" spike in dolphin deaths over the past few weeks, a Greek marine conservation group said Monday, adding that the rise could be linked to massive Turkish naval exercises in the area.
Plants & Animals
Apr 8, 2019
0
7
By using underwater sonar, researchers have found that a glacier jutting into a freshwater lake in southern Chile looks different underwater compared to ocean-bound glaciers in Greenland. Their findings, published in the ...
Earth Sciences
Apr 2, 2019
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70
Marine mammals are particularly sensitive to noise pollution because they rely on sound for so many essential functions, including communication, navigation, finding food, and avoiding predators. An expert panel has now published ...
Plants & Animals
Mar 13, 2019
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110
No one really knows why pods of whales spontaneously drive themselves aground. Military sonar may be one culprit, and the need to train and test submarine tracking technology in open water could put the US Navy in conflict ...
Plants & Animals
Mar 4, 2019
0
56
Active sensors are incorporated into a number of technologies, such as meteorology devices and self-driving cars, and use the echo from sound, radio or light waves to locate objects. But despite nearly a century of development, ...
Plants & Animals
Nov 8, 2018
0
5
Could a few seconds of warning be enough to mitigate the devastation of an impending earthquake? Tiny sensors being developed in a Simon Fraser University lab could help to give a pre-emptive head's up, enough to secure critical ...
Engineering
Jun 27, 2018
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10
DEDAVE is an innovative autonomous underwater vehicle developed by researchers at the Fraunhofer-Gesellschaft. Now the deep-diving robot has had its first chance to prove itself in action as it helped hunt down historic test ...
Engineering
Dec 1, 2017
0
4
Naval efforts to protect endangered whales by gradually increasing the noise levels of sonar have limited benefit, researchers at the University of St Andrews have found.
Ecology
Nov 16, 2017
0
47
(Phys.org)—A team of researchers in China has solved the mystery of how porpoises are able to locate tiny prey using sonar with wavelengths that seem too large to be of much use in such applications. In their paper published ...
