News tagged with optical emission
Astrophysicists discover new heating source in cosmological structure formation
(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies ...
May 15, 2012 |
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Nanocrystal infrared LEDs can be made cheaply
(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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Record-breaking radio waves discovered from ultra-cool star
Penn State University astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, ...
Apr 30, 2012 |
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Astronomers detect coolest radio star
(Phys.org) -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...
Apr 18, 2012 |
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Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers
Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...
Nanotechnology / Nanomaterials
Nov 14, 2011 |
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A cosmic exclamation point
(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North ...
Aug 12, 2011 |
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Image: Black Hole Blows Big Bubble
This composite image shows a powerful microquasar produced by a black hole in the outskirts of the nearby (12.7 million light years) galaxy NGC 7793. The large image contains data from the Chandra X-ray Observatory ...
Space & Earth / Space Exploration
Jul 12, 2010 |
4.3 / 5 (6) |
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Galaxy Cluster Abell 3627: Two Tails to Tell
(PhysOrg.com) -- Two spectacular tails of X-ray emission has been seen trailing behind a galaxy using the Chandra X-ray Observatory.
Jan 22, 2010 |
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RIT astronomer mines Spitzer Space Telescope data for massive starbursts
Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...
Dec 08, 2009 |
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New laser -- it's a gas, gas, gas... sensor
(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.
Dec 04, 2009 |
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Seeing Previously Invisible Molecules for the First Time
(PhysOrg.com) -- A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. The room-temperature technique allows ...
Chemistry / Analytical Chemistry
Oct 23, 2009 |
5 / 5 (7) |
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An Intriguing, Glowing Galaxy
A supermassive black hole may be responsible for the glowing appearance of galaxy 3C 305, located about 600 million light years away in the constellation Draco. Composite data from NASA’s Chandra X-ray Observatory ...
May 14, 2009 |
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Liquid crystal lasers promise cheaper, high colour resolution laser television
(PhysOrg.com) -- Researchers at the Centre of Molecular Materials for Photonics and Electronics (CMMPE) (part of the Department's Photonics Research Group at the University of Cambridge) are leading the way ...
Apr 20, 2009 |
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New plasma transistor could create sharper displays
(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, ...
Feb 04, 2009 |
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