News tagged with infrared light
Scientists discover first new chlorophyll in 60 years
(PhysOrg.com) -- University of Sydney scientists have stumbled upon the first new chlorophyll to be discovered in over 60 years and have published their findings in the international journal Science.
Aug 20, 2010 |
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Runaway star plows through space
(PhysOrg.com) -- A massive star flung away from its former companion is plowing through space dust. The result is a brilliant bow shock, seen here as a yellow arc in a new image from NASA's Wide-field Infrared ...
Jan 25, 2011 |
4.8 / 5 (31) |
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Astronomers explore 'last blank space' on map of the Universe
(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst ...
Oct 28, 2009 |
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Scientists invent long-lasting, near infrared-emitting material
Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little ...
Nanotechnology / Nanomaterials
Nov 20, 2011 |
4.5 / 5 (26) |
10
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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 |
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Galaxy Cores to Crash in a Few Million Years
(PhysOrg.com) -- A new image from NASA's Spitzer Space Telescope offers a rare view of an imminent collision between the cores of two merging galaxies, each powered by a black hole with millions of times the ...
Mar 16, 2009 |
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An Avalanche of Asteroids
Imagine you're a Brontosaurus with your face in a prehistoric tree top, munching on fresh leaves. Your relatives have ruled planet Earth for more than 150 million years. Huge and strong, you feel invincible. ...
Space & Earth / Space Exploration
Mar 29, 2010 |
4.7 / 5 (22) |
10
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'Dark Pulse Laser' produces bursts of... almost nothing
In an advance that sounds almost Zen, researchers at the National Institute of Standards and Technology and JILA, a joint institute of NIST and the University of Colorado at Boulder, have demonstrated a new ...
Jun 09, 2010 |
4.3 / 5 (24) |
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Quantum dots with built-in charge boost solar cell efficiency by 50%
(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating ...
May 13, 2011 |
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The central region of the Milky Way
(PhysOrg.com) -- The center of our Milky Way galaxy is about 27,000 light-years away in the direction of the constellation of Sagittarius. At the very center of the galaxy lies a black hole whose mass is about ...
Aug 15, 2011 |
4.7 / 5 (21) |
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NASA's Spitzer Images Out-of-This-World Galaxy
(PhysOrg.com) -- NASA's Spitzer Space Telescope has imaged a wild creature of the dark -- a coiled galaxy with an eye-like object at its center.
Jul 23, 2009 |
4.8 / 5 (19) |
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In a major breakthrough, scientists control light propagation in photonic chips
Researchers at Columbia Engineering School have built optical nanostructures that enable them to engineer the index of refraction and fully control light dispersion. They have shown that it is possible for light (electromagnetic ...
Jul 10, 2011 |
4.8 / 5 (18) |
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Astronomers identify 12-billion-year-old white dwarf stars
A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man. Astronomers identified these 11- to 12-billion-year-old white dwarf stars only ...
Apr 11, 2012 |
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Spitzer sees the light of alien 'super earth'
(Phys.org) -- NASA's Spitzer Space Telescope has detected light emanating from a "super-Earth" planet beyond our solar system for the first time. While the planet is not habitable, the detection is a historic ...
May 08, 2012 |
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Nanotech discovery could lead to breakthrough in infrared satellite imaging technology
Researchers from Rensselaer Polytechnic Institute have developed a new nanotechnology-based "microlens" that uses gold to boost the strength of infrared imaging and could lead to a new generation of ultra-powerful ...
May 18, 2010 |
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Infrared
Infrared (IR) radiation is electromagnetic radiation whose wavelength is longer than that of visible light (400-700 nm), but shorter than that of terahertz radiation (100 µm - 1 mm) and microwaves (~30,000 µm). Infrared radiation spans roughly three orders of magnitude (750 nm and 100 µm).
Direct sunlight has a luminous efficacy of about 93 lumens per watt of radiant flux, which includes infrared (47% share of the spectrum), visible (46%), and ultra-violet (only 6%) light. Bright sunlight provides luminance of approximately 100,000 candela per square meter at the Earth's surface.
For more information about Infrared, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
