News tagged with intensity of light
Polarized light pollution leads animals astray
Jan 07, 2009 |
3.7 / 5 (3) |
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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 coll ...
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Moderate-to-heavy exercise may reduce risk of stroke for men
Medicine & Health / Neuroscience
Nov 23, 2009 |
5 / 5 (1) |
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Men who regularly take part in moderate-to-heavy intensity exercise such as jogging, tennis or swimming may be less likely to have a stroke than people who get no exercise or only light exercise, such as walking, golfing, ...
Tapering a Free-Electron Laser to Extract More Juice
Nov 20, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light ...
Laser therapy can aggravate skin cancer
Nov 20, 2009 |
2 / 5 (1) |
1
High irradiances of low-level laser therapy (LLLT) should not be used over melanomas. Researchers writing in the open access journal BMC Cancer studied the pain relieving, anti-inflammatory 'cold laser', finding that it cau ...
Maps Unveil the Source of Starburst Galaxy's Winds
Nov 18, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...
Swirling clouds over the South Pacific
Space & Earth / Space Exploration
Nov 17, 2009 |
3.8 / 5 (4) |
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(PhysOrg.com) -- Rosetta's OSIRIS imaging system spotted an anticyclone over the South Pacific on the morning of 13 November. The images show the scene roughly as a human eye would see it.
Playing active video games can equal moderate intensity exercise
Nov 16, 2009 |
not rated yet |
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Active Wii sports video games and some Wii fit activities may increase adults' energy expenditure as much as moderately intense exercise, according to research presented at the American Heart Association's Scientific Sessions ...
A bubbling ball of gas (w/ Video)
Space & Earth / Space Exploration
Nov 11, 2009 |
4.9 / 5 (18) |
7
The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...
NXP Sets New Benchmarks for LED Drivers
Nov 05, 2009 |
4 / 5 (1) |
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NXP Semiconductors today announced three major developments in its portfolio of mains connected LED driver solutions: the success of its SSL2101 LED driver IC in matching LED lifetimes in an accelerated lifetime test; the ...
Carbon Atmosphere Discovered on Neutron Star
Nov 04, 2009 |
4.7 / 5 (19) |
1
(PhysOrg.com) -- Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant. This discovery, made with NASA's Chandra X-ray Observatory, resolves a ten-year ...
Compressing photonic signals for greater bandwidth
Nov 03, 2009 |
4.5 / 5 (6) |
3
Cornell researchers have developed an ingenious method to time-compress optical signals. The process could enable optical communication systems to carry many more bits per second or could also be used to generate ...
List of search results for intensity of light
