Twisted light waves sent across Vienna
A group of researchers from Austria have sent twisted beams of light across the rooftops of Vienna.
Quantum Physics
Nov 11, 2014
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0
News tagged with air turbulence
Mosses use 'mushroom clouds' to spread spores (w/ Video)
(PhysOrg.com) -- Scientists in the US have solved the mystery of how peat mosses manage to get their spores high enough to catch the wind, discovering that they produce vortex rings of air, like miniature "mushroom clouds" ...
Physicists develop a perfect light trap
Whether in photosynthesis or in a photovoltaic system: if you want to use light efficiently, you have to absorb it as completely as possible. However, this is difficult if the absorption is to take place in a thin layer of ...
Optics & Photonics
Aug 25, 2022
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1743
Atmospheric turbulence may promote cloud droplet formation
Clouds form when water vapor in moist packets of air condenses onto atmospheric aerosols, such as particles of dust. The transition from dry particle to liquid water droplet is known as activation. The threshold for activation ...
Earth Sciences
Mar 18, 2021
0
26
Shock waves might offer the jolt needed to reach Mars
Applying shockwaves can improve conditions for fluid mixing in supersonic combustion engines, paving the way for flights at speeds five times faster than the speed of sound.
General Physics
Jul 31, 2020
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Supercomputers use graphics processors to solve longstanding turbulence question
Advanced simulations have solved a problem in turbulent fluid flow that could lead to more efficient turbines and engines.
General Physics
Jul 25, 2019
0
60
Flights worldwide face increased risk of severe turbulence due to climate change
Flights all around the world will be encountering lots more turbulence in future, according to the first ever global projections of in-flight bumpiness.
Earth Sciences
Oct 4, 2017
4
268
Table top plasma gets wind of solar turbulence
Scientists from India and Portugal recreated solar turbulence on a tabletop using a high intensity ultrashort laser pulse to excite a hot, dense plasma and followed the evolution of the giant magnetic field generated by the ...
Plasma Physics
Jun 30, 2017
3
37
Collapsible wings help birds cope with turbulence
Collapsible wings may be a bird's answer to turbulence according to an Oxford University study in which an eagle carried its own 'black box' flight recorder on its back.
Plants & Animals
Oct 14, 2014
0
0
Scientists warn Spanish cave should remain off the tourist map
(PhysOrg.com) -- The World Heritage listed Altamira Cave at Cantabria in northern Spain, is home to some of the most perfect examples of Paleolithic cave paintings in Europe, but threats posed by tourists and their effects ...
