New laser shows what substances are made of, could be new eyes for military (w/ video)
A new laser that can show what objects are made of could help military aircraft identify hidden dangers such as weapons arsenals far below.
A new laser that can show what objects are made of could help military aircraft identify hidden dangers such as weapons arsenals far below.
Optics & Photonics
Jun 25, 2013
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(Phys.org) —A team of researchers in Korea has discovered a way to allow sound to pass through walls almost as if they were not there at all. As the group describes in their paper published in the journal Physical Review ...
(Phys.org) —Researchers from North Carolina State University have developed a method for creating "nano-volcanoes" by shining various colors of light through a nanoscale "crystal ball" made of a synthetic polymer. These ...
Nanophysics
Jun 13, 2013
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(Phys.org) —Researchers at SLAC and Stanford have created a new device, smaller than a grain of rice, that could streamline optical data communications. It can directly identify the wavelength of light that hits it, and ...
General Physics
Jun 5, 2013
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Like their more visible cousins the butterflies, moths are undergoing rapid population declines.
Plants & Animals
May 30, 2013
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(Phys.org) —Researchers and physicians in the field could soon run on-the-spot tests for environmental toxins, medical diagnostics, food safety and more with their smartphones.
Analytical Chemistry
May 23, 2013
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For decades, Landsat satellites have documented the desiccation of the Aral Sea in Central Asia. Once one of the largest seas in the world, it shrunk to a tenth of its original volume after Russia diverted its feeder rivers ...
Earth Sciences
May 22, 2013
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Inspired by the structure of moth eyes, researchers at North Carolina State University have developed nanostructures that limit reflection at the interfaces where two thin films meet, suppressing the "thin-film interference" ...
Nanomaterials
May 16, 2013
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(Phys.org) —This dramatic new image of cosmic clouds in the constellation of Orion reveals what seems to be a fiery ribbon in the sky. This orange glow represents faint light coming from grains of cold interstellar dust, ...
Astronomy
May 15, 2013
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Experiments at Johns Hopkins have unearthed clues about which protein signaling molecules are allowed into hollow, hair-like "antennae," called cilia, that alert cells to critical changes in their environments.
Biochemistry
May 12, 2013
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