Infrasound waves can probe some of the most complex weather patterns hidden to normal observations, but finding a powerful enough source of infrasound waves can be a challenge unless there is a munitions factory nearby.
Earth Sciences
May 25, 2022
0
17
During a gunshot, two sound events occur: the muzzle blast and the supersonic shock wave. Acoustic sensors, such as arrays of microphones, can capture these sounds and use them to approximate the location of a shooter.
General Physics
May 23, 2022
0
42
Lurking beneath the ocean's surface, marine mammals use sound for navigation, prey detection, and a wide range of natural behaviors. Passive acoustic data from underwater environments can provide valuable information on these ...
Ecology
May 23, 2022
0
50
When thinking about quantum mechanical systems, single photons and well-isolated ions and atoms may spring to mind, or electrons spreading through a crystal. More exotic in the context of quantum mechanics are genuinely mechanical ...
Quantum Physics
May 13, 2022
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403
Though oysters may be brainless bivalves, they can "hear" and swim towards attractive sounds of the sea.
Plants & Animals
May 13, 2022
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7
Initial tsunami waves are typically a few centimeters high, but nonetheless cause a disturbance in the Earth's upper atmosphere by pushing up air and creating an acoustic wave that is amplified as it goes higher.
Earth Sciences
Apr 28, 2022
0
36
Lawrence Livermore National Laboratory (LLNL) researchers have developed a new all-optical ultrasound technique capable of performing on-demand characterization of melt tracks and detecting formation of defects in a popular ...
Optics & Photonics
Apr 28, 2022
0
79
Around the beginning of the 21st century, the world economy entered a new development cycle, and the demand for oil and natural gas resources around the world has skyrocketed. In the face of this huge energy demand, people ...
Earth Sciences
Apr 28, 2022
0
8
On the micrometer scale deformation properties of metals change profoundly: The smooth and continuous behavior of bulk materials often becomes jerky due to random strain bursts of various sizes. The reason for this phenomenon ...
Materials Science
Apr 14, 2022
0
10
Mechanical engineers at Duke University are using two electronic "voices" singing a harmonic duet to control suspended particles and cells in new and valuable ways. Their prototype device can form and rotate a single-layer ...
Cell & Microbiology
Mar 24, 2022
0
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