News tagged with uv light
Related topics: ultraviolet light
High-purity hydrogen generated from a single device
(PhysOrg.com) -- There are many ways to generate hydrogen, such as water electrolysis and steam reforming of gas, but the hydrogen produced by these methods tends to be combined with other byproduct and residual ...
Oct 07, 2011 |
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Reindeer see a weird and wonderful world of ultraviolet light
Researchers have discovered that the ultraviolet (UV) light that causes the temporary but painful condition of snow blindness in humans is life-saving for reindeer in the arctic.
May 26, 2011 |
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UV light stick purifies water
(PhysOrg.com) -- Today, about one billion people on Earth don't have access to clean drinking water, and that number is expected to increase even more in the coming years. To solve this problem, inventors ...
Technology / Hi Tech & Innovation
Feb 25, 2010 |
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Spray-on liquid glass is about to revolutionize almost everything
(PhysOrg.com) -- Spray-on liquid glass is transparent, non-toxic, and can protect virtually any surface against almost any damage from hazards such as water, UV radiation, dirt, heat, and bacterial infections. ...
Nanotechnology / Nanomaterials
Feb 02, 2010 |
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Chocolate rich in flavanols may protect the skin from UV
(PhysOrg.com) -- A new study has discovered for the first time that dark chocolate rich in flavanols may provide significant protection from the harmful effects of ultraviolet light.
Nov 06, 2009 |
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There is more to bats' vision than meets the eye
The eyes of nocturnal bats possess two spectral cone photoreceptor types for daylight and colour vision. Reporting in the open-access, peer-reviewed journal PLoS ONE, scientists at the Max Planck Institute for Br ...
Jul 28, 2009 |
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Presto! Fast color-changing material may lead to more powerful computers (w/Video)
(PhysOrg.com) -- Researchers in Japan are reporting development of a new so-called "photochromic" material that changes color thousands of times faster than conventional materials when exposed to light.
Apr 23, 2009 |
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Research opens doors to UV disinfection using LED technology
Research from North Carolina State University will allow the development of energy-efficient LED devices that use ultraviolet (UV) light to kill pathogens such as bacteria and viruses. The technology has a wide array of applications ...
May 14, 2012 |
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Researchers use light to switch on gene expression
Imagine being able to control genetic expression by flipping a light switch. Researchers at North Carolina State University are using light-activated molecules to turn gene expression on and off. Their method enables greater ...
May 10, 2012 |
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New malaria method could boost drug production
German scientists have developed a new way to make a key malaria drug that they say could easily quadruple production and drop the price significantly, increasing the availability of treatment for a disease that kills hundreds ...
Feb 16, 2012 |
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Light makes write for DNA information-storage device
Researchers have demonstrated a write-once-read-many-times information-storage device, made of DNA embedded with silver nanoparticles, that uses ultraviolet light to encode data.
Jan 05, 2012 |
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Scientists discover why buttercups reflect yellow on chins
Scientists have found that the distinctive glossiness of the buttercup flower (Ranunculus repens), which children like to shine under the chin to test whether their friends like butter, is related to its un ...
Dec 13, 2011 |
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Bow down to the light: Light-triggered microscale robotic arm makes bending and stretching motions
(PhysOrg.com) -- As miniaturization progresses, microrobots and nanomachines have moved beyond the realm of pure speculation. This technology requires tiny components that can respond to stimulation by undergoing ...
Nov 21, 2011 |
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How the Milky Way killed off its satellites
(PhysOrg.com) -- Two researchers from Observatoire Astronomique de Strasbourg have revealed for the first time the existence of a new signature of the birth of the first stars in our galaxy, the Milky Way. ...
Oct 19, 2011 |
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Researchers extend genetic code of an entire animal
(PhysOrg.com) -- Researchers Sebastian Greiss and Jason Chin of the Medical Research Council's Laboratory of Molecular Biology in Cambridge, have succeeded in manipulating the DNA of a nematode such that a ...
Aug 15, 2011 |
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