News tagged with optical singularities
The art of invisibility and the perfect cat's eye
(PhysOrg.com) -- In recent years scientists have explored the impossible by developing invisibility or 'cloaking' devices, but can the same technology also help make things more visible?
Jun 30, 2009 |
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Search results for optical singularities
UNH to analyze 'bellwether' solar event data from European satellite
When the sun launched a moderate, or M-class, solar flare May 17, 2012, it was still one of the largest eruptions seen since late January when our star began to rouse from an anomalously long quiet period. ...
Space & Earth / Space Exploration
May 31, 2012 |
5 / 5 (1) |
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Physicists find patterns in new state of matter
(PhysOrg.com) -- Physicists at the University of California, San Diego have discovered patterns which underlie the properties of a new state of matter.
Mar 29, 2012 |
4.8 / 5 (24) |
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Blunt nanostructures could make high-efficiency solar cells easier to fabricate
(PhysOrg.com) -- One of the most promising methods for increasing the efficiency of solar cells consists of coating the cells’ surfaces with a thin layer of metal nanoparticles. The nanoparticles scatter ...
Jan 24, 2012 |
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Scientists solve mystery of colorful armchair nanotubes
(PhysOrg.com) -- Rice University researchers have figured out what gives armchair nanotubes their unique bright colors: hydrogen-like objects called excitons.
Nanotechnology / Nanomaterials
Jan 09, 2012 |
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The future cometh: Science, technology and humanity at Singularity Summit 2011 (Part II)
(PhysOrg.com) -- In its essence, technology can be seen as our perpetually evolving attempt to extend our sensorimotor cortex into physical reality: From the earliest spears and boomerangs augmenting our arms, horses and ...
Dec 02, 2011 |
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Erasing history? Temporal cloaks adjust light's throttle to hide an event in time
Researchers from Cornell University in Ithaca, N.Y., have demonstrated for the first time that it's possible to cloak a singular event in time, creating what has been described as a "history editor." In a feat of Einstein-inspired ...
Oct 12, 2011 |
4.3 / 5 (15) |
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The warped ways of cosmic light
Albert Einstein predicted them, modern giant telescopes detected them – and Klaus Dolag simulates them on a computer: gravitational lenses. The academic staff member at the Max Planck Institute for Astrophysics ...
Mar 02, 2011 |
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Researchers show that the big bang was followed by chaos
(PhysOrg.com) -- Seven years ago Northwestern University physicist Adilson E. Motter conjectured that the expansion of the universe at the time of the big bang was highly chaotic. Now he and a colleague have ...
Sep 07, 2010 |
4.7 / 5 (27) |
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Everlasting Quantum Wave: Physicists Predict New Form of Soliton in Ultracold Gases
(PhysOrg.com) -- Solitary waves that run a long distance without losing their shape or dying out are a special class of waves called solitons. These everlasting waves are exotic enough, but theoreticians at ...
Dec 16, 2009 |
4.7 / 5 (10) |
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The cosmos is green: Researchers catch nature in the act of 'recycling' a star (w/Animations)
(PhysOrg.com) -- For the first time, researchers have observed a singular cosmic act of rebirth: the transformation of an ordinary, slow-rotating pulsar into a superfast millisecond pulsar with an almost infinitely ...
May 21, 2009 |
4.4 / 5 (17) |
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List of search results for optical singularities
