News tagged with refractive index
Measuring the Speed of Light in Composite Materials
Aug 02, 2009 |
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(PhysOrg.com) -- Although the speed of light is constant in a vacuum, light slows down a small amount when traveling through other materials. While it's relatively easy to measure the speed of light in mediums ...
Liquid lens creates tiny flexible laser on a chip
May 11, 2009 |
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(PhysOrg.com) -- Like tiny Jedi knights, tunable fluidic micro lenses can focus and direct light at will to count cells, evaluate molecules or create on-chip optical tweezers, according to a team of Penn State engineers. ...
Nanoscopic changes to pancreatic cells reveal cancer
Nanotechnology / Bio & Medicine
Feb 13, 2009 |
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A team of researchers in Chicago has developed a way to examine cell biopsies and detect never-before-seen signs of early-stage pancreatic cancer, according to a new paper in the Optical Society (OSA) journal Optics Letters. Though ...
Using invisibility to increase visibility
Nov 27, 2008 |
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Research into the development of invisibility devices has spurred two physicists' thought on the behaviour of light to overcome the seemingly intractable problem of optical singularities which could soon lead to the manufacturing ...
Search results for refractive index
Fermi Telescope Peers Deep into Microquasar (w/ Video)
9 hours ago |
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(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
Bling bling with your ring ring: Dekoden craze sees cell phones get a touch of glitz, glamour
Electronics / Consumer & Gadgets
12 hours ago |
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Cell phone owners are ringing the changes and putting a smile on their dial by adorning their mobiles with ornamental stickers, charms and beads -- and the craze just keeps getting bigger.
Hyperactivity associated with short sleep-time for young boys: study
Medicine & Health / Psychology & Psychiatry
14 hours ago |
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(PhysOrg.com) -- Hyperactive boys don't get enough sleep, which can worsen their condition according to new research. Published in the November issue of Pediatrics, the study is the first to examine a larg ...
Wide heads give hammerheads exceptional stereo view
15 hours ago |
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Hammerhead sharks are some of the Ocean's most distinctive residents. 'Everyone wants to understand why they have this strange head shape,' says Michelle McComb from Florida Atlantic University. One possible ...
Tough yet stiff deer antler is materials scientist's dream
15 hours ago |
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Prized for their impressive antlers, red deer have been caught in the hunters' sights for generations. But a deer's antlers are much more than decorative. They are lethal weapons that stags crash together when duelling. John ...
Ecologists sound out new solution for monitoring cryptic species
15 hours ago |
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Ecologists have at last worked out a way of using recordings of birdsong to accurately measure the size of bird populations. This is the first time sound recordings from a microphone array have been translated into accurate ...
Gullies and Flow Features on Crater Wall
Space & Earth / Space Exploration
Nov 26, 2009 |
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(PhysOrg.com) -- This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows a sample of the variety and complexity of processes that may occur ...
Musical robots perform duets (w/ Video)
Nov 26, 2009 |
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(PhysOrg.com) -- A flute playing robot unveiled by Waseda University last year has been joined by a robot saxophonist in a Classical music duet. The aim of the project was to design robots that could respond ...
Plasma produces KO cocktail for MRSA
Nov 26, 2009 |
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MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
Image: Prometheus Plays Tug of War with One of Saturn's Rings
Space & Earth / Space Exploration
Nov 25, 2009 |
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(PhysOrg.com) -- The diminutive moon Prometheus whips gossamer ice particles out of Saturn's F ring in this image taken by the Cassini spacecraft on Aug. 21, 2009.
List of search results for refractive index
