News tagged with intensity of light


Polarized light pollution leads animals astray

Polarized light pollution leads animals astray

Space & Earth / Environment

created Jan 07, 2009 | popularity 3.7 / 5 (3) | comments 0

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 ...





Search results for intensity of light


A bubbling ball of gas

A bubbling ball of gas (w/ Video)

Space & Earth / Space Exploration

created 22 hours ago | popularity 4.9 / 5 (15) | comments 5

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

Technology / Semiconductors

created Nov 05, 2009 | popularity 4 / 5 (1) | comments 0

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

Carbon Atmosphere Discovered on Neutron Star

Space & Earth / Astronomy

created Nov 04, 2009 | popularity 4.7 / 5 (19) | comments 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

Compressing photonic signals for greater bandwidth

Physics / Optics & Photonics

created Nov 03, 2009 | popularity 4.4 / 5 (5) | comments 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 ...


Reflective film can boost profits for apple growers

Reflective film can boost profits for apple growers

Biology / Ecology

created Nov 03, 2009 | popularity 4 / 5 (2) | comments 0

In a research report published in a recent issue of HortTechnology, scientists Ignasi Iglesias and Simó Alegre examined the effects of covering orchard floors with reflective films on fruit color, fruit ...


Sun or shade: Pecan leaves' photosynthetic light response evaluated

Sun or shade: Pecan leaves' photosynthetic light response evaluated

Biology / Ecology

created Nov 03, 2009 | popularity not rated yet | comments 0

Pecan, the most valuable nut tree native to North America, is native from northern Illinois and southeastern Iowa to the Gulf Coast of the United States, where it grows abundantly along the Mississippi River, ...


Powerful laser sheds light on fast ignition and high energy density physics

Powerful laser sheds light on fast ignition and high energy density physics

Physics / General Physics

created Nov 02, 2009 | popularity 4.5 / 5 (4) | comments 0

A new generation of high-energy (>kJ) petawatt (HEPW) lasers is being constructed worldwide to study high intensity laser matter interactions, including fast ignition. Fast ignition is a laser-based technique ...


Study of alternate bearing presents recommendations for citrus growers

Study of alternate bearing presents recommendations for citrus growers

Biology / Ecology

created Nov 02, 2009 | popularity not rated yet | comments 0

Alternate bearing (also called biennial or uneven bearing) is the tendency of fruit trees to produce a heavy crop one year (called "on-crop") followed by a light crop or no crop the following "off-crop" year. ...


3-D system based on optical fiber could provide new options for photovoltaics

3-D system based on optical fiber could provide new options for photovoltaics

Nanotechnology / Nanomaterials

created Nov 02, 2009 | popularity 4.4 / 5 (9) | comments 0

Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.


Laser accelerated protons to the highest energies so far

Researchers use trident laser to accelerate protons to record energies

Physics / General Physics

created Nov 02, 2009 | popularity 4.8 / 5 (8) | comments 10

An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...



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