News tagged with intense light

Hypervariable galactic nuclei

Extreme variability in the intensity of the optical light of galaxies, by factors of two or more, is of great interest to astronomers. It can flag the presence of rare types of supernovae, for example, or spot sudden accretion ...

dateOct 31, 2016 in Astronomy
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Catching proteins in the act

Some of the fastest processes in our body run their course in proteins activated by light. The protein rhodopsin sees to it that our eyes can rapidly take in their ever-changing surroundings. Free-electron X-ray lasers such ...

dateAug 23, 2016 in General Physics
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Knots in chaotic waves

New research, using computer models of wave chaos, has shown that three-dimensional tangled vortex filaments can in fact be knotted in many highly complex ways.

dateJul 29, 2016 in General Physics
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Light can 'heal' defects in some solar cells

A family of compounds known as perovskites, which can be made into thin films with many promising electronic and optical properties, has been a hot research topic in recent years. But although these materials could potentially ...

dateMay 24, 2016 in Materials Science
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Insect eyes enable drones to fly independently

After studying how insects navigate through dense vegetation, researchers at Lund University in Sweden have come up with a system that can be applied to flying robots. By adapting the system to drones, they can be made to ...

dateApr 06, 2016 in Robotics
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