Imagine a whirlpool spinning in a river, or a tornado swirling through the sky. They don't just spin on the spot: they travel forward while maintaining that spiraling motion inside them. These ...
Scientists have created tiny “optical tornadoes” — swirling beams of light that twist like miniature whirlwinds — using a ...
A new optical device might allow astronomers to view extrasolar planets directly without the annoying glare of the parent star. It would do this by “nulling” out the light of the parent star by ...
Scientists have developed a novel method that dramatically enhances both the power and number of vortices, opening new ...
Scientists have managed for the first time to create a unidirectional device that significantly increases the quality of a special class of transmitted signals in optical communications: optical ...
Milano (Italy), April 11, 2022 – Water whirlpools, smoke rings, violent tornados and spiral galaxies are all examples of twists in fluids, although very different each other. Analogous twists, but in ...
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