News tagged with red light
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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Discovery of three smallest exoplanets: The Barnard's star connection
The discovery of the three smallest planets yet orbiting a distant star, which was announced today at the annual meeting of the American Astronomical Society, has an unusual connection to Barnard's star, one ...
Jan 11, 2012 |
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Blue light irradiation promotes growth, increases antioxidants in lettuce seedlings
The quality of agricultural seedlings is important to crop growth and yield after transplantation. Good quality seedlings exhibit characteristics such as thick stems, thick leaves, dark green leaves, and large white roots. ...
Dec 12, 2011 |
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At a crossroads: New research predicts which cars are likeliest to run lights at intersections
In 2008, according to the National Highway Traffic Safety Administration, 2.3 million automobile crashes occurred at intersections across the United States, resulting in some 7,000 deaths. More than 700 of ...
Nov 30, 2011 |
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Los Alamos instrument to shine light on Mars habitability
With the successful launch of the Mars Science Laboratory on Saturday, Los Alamos National Laboratory researchers and scientists from the French space institute IRAP are poised to begin focusing the energy ...
Space & Earth / Space Exploration
Nov 29, 2011 |
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Using math and light to detect misshapen red blood cells
Misshapen red blood cells (RBCs) are a sign of serious illnesses, such as malaria and sickle cell anemia. Until recently, the only way to assess whether a person's RBCs were the correct shape was to look at ...
Oct 31, 2011 |
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'Pacman' nebula gets some teeth
(PhysOrg.com) -- To visible-light telescopes, this star-forming cloud appears to be chomping through the cosmos, earning it the nickname the "Pacman" nebula, like the famous Pac-Man video game that debuted ...
Oct 27, 2011 |
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New invisibility cloak hides objects from human view
For the first time, scientists have devised an invisibility cloak material that hides objects from detection using light that is visible to humans. The new device is a leap forward in cloaking materials, according to a report ...
Jul 27, 2011 |
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Artificial light quality affects herbivore preference for seedlings
In horticultural production, growers often depend on systems that use artificial light to produce high-quality transplants. Although the systems are efficient, fluorescent lamps can produce plants with shorter shoots than ...
Jun 22, 2011 |
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Apple to nix apps that tip off drunk drivers
(AP) -- After pressure from four U.S. senators, Apple Inc. has said it will start rejecting iPhone applications that tip drivers off about police checkpoints for drunken driving.
Jun 09, 2011 |
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Red-light cameras critical to public safety, traffic researcher finds
As automated traffic monitoring systems such as red light cameras keep a law enforcement "eye" on the streets across the country, many drivers accuse city governments of installing the monitors as a way to generate revenue. ...
Jun 07, 2011 |
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Could exoplanet be a haven for life?
Scientists said on Monday a rocky world orbiting a nearby star was confirmed as the first planet outside our solar system to meet key requirements for sustaining life.
May 16, 2011 |
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Red light regulates nectar secretion
Flowering plants produce nectar to attract insect pollinators. Some plant species, such as Lima bean, also secrete nectar from so-called extrafloral nectaries to attract ants which in turn fend off herbivores. ...
Sep 27, 2010 |
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New nanolaser -- spaser -- key to future optical computers and technologies
(PhysOrg.com) -- Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, ...
Aug 16, 2009 |
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Largest collection of anomalous white dwarfs observed by Hubble
Twenty-four unusual stars, 18 of them newly discovered, have been observed in new Hubble telescope images. The stars are white dwarfs, a common type of dead star, but they are odd because they are made of ...
Apr 23, 2009 |
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