News tagged with light water
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 |
5 / 5 (6) |
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Breakthrough could slash R&D time for next generation of hydrogen fuel cells
(PhysOrg.com) -- It took Thomas Edison two years and over 3,000 experiments to develop a marketable light bulb. It has taken 10 times that long and who-knows-how-many experiments to develop a system that is ...
Apr 04, 2012 |
4.4 / 5 (10) |
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Far-out photosynthesis
Photosynthesis maintains Earth's habitability for life as we know it, and shapes the way we search for habitable worlds around distant stars. Scientists have discovered a microbe that can use low-energy light ...
Mar 16, 2012 |
4.8 / 5 (6) |
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Space Image: Enceladus, Saturn's moon
(PhysOrg.com) -- Below a darkened Enceladus, a plume of water ice is backlit in this view of one of Saturn's most dramatic moons.
Space & Earth / Space Exploration
Mar 16, 2012 |
5 / 5 (1) |
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Seeing without eyes: Hydra stinging cells respond to light
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in res ...
Mar 04, 2012 |
4.6 / 5 (5) |
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In distance space, a water world: Hubble reveals a new class of extrasolar planet
(PhysOrg.com) -- An international team of astronomers led by Zachory Berta of the Harvard-Smithsonian Center for Astrophysics (CfA) made the observations of the planet GJ 1214b.
Feb 21, 2012 |
4.8 / 5 (24) |
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Electrons in concert: A simple probe for collective motion in ultracold plasmas
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...
Feb 06, 2012 |
4.5 / 5 (8) |
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Philips unveils revolutionary water disinfection solution
Philips Lighting has today announced the launch of a new, complete and innovative water disinfection solution, Philips InstantTrust. This solution is based on cutting-edge disinfection technology optimized ...
Nov 03, 2011 |
3.8 / 5 (12) |
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Saturn's moon Enceladus spreads its influence
(PhysOrg.com) -- Chalk up one more feat for Saturn's intriguing moon Enceladus. The small, dynamic moon spews out dramatic plumes of water vapor and ice -- first seen by NASA's Cassini spacecraft in 2005. ...
Space & Earth / Space Exploration
Sep 22, 2011 |
4.8 / 5 (6) |
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Light from a water bottle could brighten millions of poor homes (w/ video)
As simple as it sounds, a one-liter plastic bottle filled with purified water and some bleach could serve as a light bulb for some of the millions of people who live without electricity. Originally developed ...
Technology / Energy & Green Tech
Sep 16, 2011 |
4.7 / 5 (58) |
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Novel alloy could produce hydrogen fuel from sunlight
Scientists from the University of Kentucky and the University of Louisville have determined that an inexpensive semiconductor material can be "tweaked" to generate hydrogen from water using sunlight.
Aug 30, 2011 |
4.9 / 5 (15) |
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Bacteria -- energy producers of the future? (w/ video)
All of us use water and in the process, a lot of it goes to waste. Whether it goes down drains, sewers or toilets, much of it ends up at a wastewater treatment plant where it undergoes rigorous cleaning before it flows back ...
Technology / Energy & Green Tech
Aug 22, 2011 |
not rated yet |
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Bending light the 'wrong' way
(PhysOrg.com) -- Scientists have tried this with sophisticated meta-materials, but at the Vienna University of Technology (TU Vienna) it has now been done with simple metals; materials with a negative refractive ...
Aug 18, 2011 |
4.3 / 5 (6) |
9
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Baby star blasts jets of water into space
Astronomers have found a nascent star 750 light years from earth that shoots colossal jets of water -- a cosmic fire hose -- out its poles in bullet-like pulses.
Jun 22, 2011 |
4.7 / 5 (18) |
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Exposing ZnO nanorods to visible light removes microbes
The practical use of visible light and zinc oxide nanorods for destroying bacterial water contamination has been successfully demonstrated by researchers at the Asian Institute of Technology (AIT). Nanorods grown on glass ...
Nanotechnology / Nanomaterials
May 12, 2011 |
5 / 5 (2) |
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