News tagged with wavelength
Related topics: light , laser , galaxies , physical review letters , stars
Magnetic fields in interstellar clouds
(PhysOrg.com) -- Magnetic fields play an important role in the formation and evolution of stars, as they stretch around a hot medium like a rubber band and help to determine the flow of material onto or away ...
Mar 25, 2011 |
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New lens doubles the resolution of conventional microscopes
(PhysOrg.com) -- Conventional lenses can resolve structures around 200 nanometers (nm) in size, but scientists in Europe have for the first time developed a lens capable of achieving optical resolution of ...
Mar 25, 2011 |
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Magnetic chameleons: New displays that change color under the influence of magnets
Chinese researchers have created microscopic capsules that change color when a magnetic field is applied. When the capsules are collected into an array, magnetic fields can be used to create colored patterns ...
Mar 16, 2011 |
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Trapping a rainbow: Researchers slow broadband light waves with nanoplasmonic structures
A team of electrical engineers and chemists at Lehigh University have experimentally verified the "rainbow" trapping effect, demonstrating that plasmonic structures can slow down light waves over a broad range of wavelengths.
Mar 14, 2011 |
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Sensitive to oxygen: Phosphorescent iridium(III) porphyrin complexes, new tunable oxygen indicators
(PhysOrg.com) -- Monitoring the amount of oxygen in living tissues accurately is a valuable tool in biomedical science, because it enables the elucidation of the course of metabolic processes or the detection ...
Mar 09, 2011 |
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Moth eyes inspire antireflective surfaces for military applications
(PhysOrg.com) -- If you look closely at the surface of a moth's cornea, you see that it is comprised of tiny protruding bumps. These bumps exist to keep moths safe from predators by preventing light from reflecting ...
Mar 08, 2011 |
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You could be taking color pictures in the dark by the end of the year
(PhysOrg.com) -- Any photographer will tell you that having good lighting is essential to the success of a shot. It is one of the most basic elements of composition, and hours can be spent on getting this ...
Technology / Hi Tech & Innovation
Mar 07, 2011 |
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Mastering bandwidth: Researchers develop tunable, low-cost laser device
Transmitting information as pulses of light through fiber-optic cables is the fastest and highest-bandwidth communications technology that exists today. Yet even this technology is being pressed to carry ever-greater ...
Mar 04, 2011 |
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The murmur of a monster
The Andromeda galaxy is the nearest large galaxy to our Milky Way. Like the Milky Way, it has a spiral-arm structure with a massive black hole at its nucleus. Unlike the Milky Way, however, its black hole ...
Feb 28, 2011 |
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Can WISE find the hypothetical 'Tyche'?
(PhysOrg.com) -- In November 2010, the scientific journal Icarus published a paper by astrophysicists John Matese and Daniel Whitmire, who proposed the existence of a binary companion to our sun, larger than ...
Feb 22, 2011 |
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Herschel finds less dark matter but more stars
(PhysOrg.com) -- ESA's Herschel space observatory has discovered a population of dust-enshrouded galaxies that do not need as much dark matter as previously thought to collect gas and burst into star formation.
Feb 16, 2011 |
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Saving greenhouse power with deep-red LED light
The Siemens subsidiary Osram Opto Semiconductors has developed a powerful light-emitting diode (LED) for use in the cultivation of plants. It emits a deep-red light at a wavelength of 660 nanometers, which ...
Feb 14, 2011 |
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SDO celebrates one year anniversary
(PhysOrg.com) -- On February 11, 2010, at 10:23 in the morning, NASA's Solar Dynamics Observatory (SDO) launched into space on an Atlas rocket from Cape Canaveral. A year later, SDO has sent back millions ...
Space & Earth / Space Exploration
Feb 14, 2011 |
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A visual feast of galaxies
A unique new atlas of 35 galaxies has been compiled by Swinburne astronomer Dr. Glen Mackie.
Feb 14, 2011 |
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Image: A nebula by any other name
(PhysOrg.com) -- Nebulae are enormous clouds of dust and gas occupying the space between the stars. Some have pretty names to match their good looks, for example the Rose nebula, while others have much more ...
Feb 11, 2011 |
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