Did you know that wires can be used to ionize air to make a loudspeaker? Simply put, it's possible to generate sound by creating an electric field in a set of parallel wires, aka a plasma transducer, strong enough to ionize ...
General Physics
May 22, 2023
0
96
A study published in Diversity provides new insight into how toothed whales and dolphins came to navigate the underwater world using sound waves.
Evolution
Nov 20, 2023
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690
Humans use the time delay between the arrival of a sound wave at each ear to discern the direction of the source. In frogs, lizards and birds the distance between the ears is too small. However, they have a cavity connecting ...
General Physics
Feb 18, 2016
0
43
In a paper published today in Communications Biology, auditory neuroscientists at the University of Pittsburgh describe a machine learning model that helps explain how the brain recognizes the meaning of communication sounds, ...
Biotechnology
May 2, 2023
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776
A curator gingerly fastens a pointy claw bone with a thin metal wire, completing perhaps the world's biggest construction kit—reassembling a 67-million-year-old Tyrannosaurus-Rex called Trinity.
Paleontology & Fossils
Mar 29, 2023
0
174
Electric cars are good for the environment – but not for people who cannot see. They have problems detecting the silent vehicles. However, Norwegian research scientists are working on a solution.
Other
Oct 23, 2018
4
26
How did sound propagate inside the Mosque of Cordoba in the time of Abd al-Rahman I? Today, thanks to virtual simulation tools, it is possible to know the sound fields of spaces that no longer exist. This field of work is ...
Archaeology
Nov 6, 2018
0
6
Sound is a promising way to stimulate zoo animals and increase their welfare, as shown by a study from Aalto University collaborating with Helsinki's Korkeasaari Zoo. Researchers built a sound device for a group of white-faced ...
Plants & Animals
Oct 7, 2020
0
26
Humans are the only species on earth known to use language. We do this by combining sounds to form words and words to form hierarchically-structured sentences. The question of where this extraordinary capacity originates ...
Plants & Animals
May 17, 2022
0
453
When two musical notes are played simultaneously, the human ear can perceive weak additional tones called combination tones. These subjective tones result from the nonlinearity of the inner ear and are attributed to the amplification ...
General Physics
Nov 1, 2022
1
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