The future of optical communications just got brighter. In a development reported in Advanced Photonics, researchers from Nanjing University have introduced iso-propagation vortices (IPVs), a novel concept that offers a solution ...
Optics & Photonics
May 20, 2024
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72
Events in the stratosphere are making long-range weather in Northern Europe easier to forecast, researchers at LMU have discovered.
Earth Sciences
Mar 15, 2024
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503
Global warming caused by increased concentrations of greenhouse gases is already affecting our lives. Scorching summers, more intense heat waves, longer drought periods, more extended floods, and wilder wildfires are consequences ...
Earth Sciences
Mar 5, 2024
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6
According to a recent study from the University of Helsinki, published in the journal Physical Review Letters, a vortex of a superfluid that has been quantized four times has three ways of dividing, depending on the temperature.
General Physics
Feb 16, 2024
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50
The Space Climate Research Group at the University of Oulu, Finland has been studying the effects of energetic particle precipitation from space, more commonly known as the aurora borealis or Northern Lights, on winter weather ...
Planetary Sciences
Feb 16, 2024
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160
Over the past few days, extremely cold Arctic air and severe winter weather have swept southward into much of the U.S., breaking daily low-temperature records from Montana to Texas. Tens of millions of people have been affected ...
Earth Sciences
Jan 18, 2024
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65
Much of the United States is shivering through brutal cold as most of the rest of the world is feeling unusually warm weather. However strange it sounds, that contradiction fits snugly in explanations of what climate change ...
Environment
Jan 17, 2024
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6
By using a special combination of laser beams as a very fast stirrer, RIKEN physicists have created multiple vortices in a quantum photonic system and tracked their evolution. This system could be used to explore exotic new ...
Nanophysics
Nov 21, 2023
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42
You may not realize it, but the Doppler effect is everywhere in our lives, from tracking the speed of cars with radar to locating satellites in the sky. It's all about how waves change their frequency when a source (like ...
Optics & Photonics
Oct 20, 2023
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321
Will printed photographs ever match the precision of a mirror's reflection? Even though the answer may still be no for a while, Osaka Metropolitan University scientists have made significant strides in precision printing ...
Optics & Photonics
Oct 2, 2023
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30
A vortex (plural: vortices) is a spinning, often turbulent, flow of fluid. Any spiral motion with closed streamlines is vortex flow. The motion of the fluid swirling rapidly around a center is called a vortex. The speed and rate of rotation of the fluid are greatest at the center, and decrease progressively with distance from the center.
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