Researchers have shown that hooded seals native to the Arctic Ocean and North Atlantic have eyes that are extremely sensitive to ultraviolet (UV) light, enabling them to spot polar bears that would usually be camouflaged ...
Plants & Animals
Jul 3, 2015
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78
A group of Russian scientists recently presented their research into the process of laser pulse filamentation—the effect produced when a laser beam propagating in air focuses into a filament. The researchers discovered ...
Optics & Photonics
Jun 1, 2015
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24
Researchers at Finland's Aalto University have discovered a novel way of combining plasmonic and magneto-optical effects. They experimentally demonstrated that patterning of magnetic materials into arrays of nanoscale dots ...
Nanophysics
May 7, 2015
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18
As we all know, some optical devices can only work with a certain incident polarization direction. In this case, a polarizer is necessary to shift the polarization direction of linearly polarized light. A common polarizer ...
Optics & Photonics
Jul 17, 2014
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0
Human-made light sources can alter natural light cycles, causing animals that rely on light cues to make mistakes when moving through their environment. In the journal Frontiers in Ecology and the Environment, a collaboration ...
Environment
Jan 7, 2009
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0
The intensity of light that propagates through glass optical fiber is fundamentally limited by the glass itself. A novel fiber design using a hollow, air-filled core removes this limitation and dramatically improves performance ...
Engineering
Aug 1, 2013
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1
A specialized camera that allows scientists to see as reef-dwelling animals do has been built by a team of researchers at the University of Bristol. The team will travel to Lizard Island off the coast of Queensland this year ...
Environment
Jan 27, 2012
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