News tagged with reflected light
Researchers create bizarre optical phenomena, defying the laws of reflection and refraction
Exploiting a novel technique called phase discontinuity, researchers at the Harvard School of Engineering and Applied Sciences (SEAS) have induced light rays to behave in a way that defies the centuries-old ...
Sep 01, 2011 |
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A road of no return: Team implements the first '1-way roads' for light
Light readily bounces off obstacles in its path. Some of these reflections are captured by our eyes, thus participating in the visual perception of the objects around us. In contrast to this usual behavior ...
Oct 08, 2009 |
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Scientists Find First Creature With Eyes That Use Both Refractive and Reflective Optics
Florida Atlantic University researcher and member of the Center for Ocean Exploration and Deep-Sea Research at Harbor Branch Oceanographic Institute, Dr. Tamara Frank, was part of an international research ...
Jan 27, 2009 |
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A 'cloaking device' -- it's all done with mirrors
(PhysOrg.com) -- Somewhat the way Harry Potter can cover himself with a cloak and become invisible, Cornell researchers have developed a device that can make it seem that a bump in a carpet -- or, indeed, ...
May 13, 2009 |
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Perfectly non-reflecting
(PhysOrg.com) -- A new nanocoating ensures a perfectly non-reflecting view on displays and through eyeglasses. The necessary surface structure is applied to the polymeric parts during manufacture, obviating ...
Nanotechnology / Nanomaterials
May 04, 2010 |
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Resurfacing urban areas to offset 150 billion tons of carbon dioxide
Imagine a world where the rooftops and pavements of every urban area are resurfaced to increase the reflection of the Sun's light rays. Well, this is exactly what a group of Canadian researchers have done ...
Apr 12, 2012 |
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Origin of dinosaur-killing asteroid remains a mystery
(PhysOrg.com) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the ...
Space & Earth / Space Exploration
Sep 20, 2011 |
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Parabolic mirrors concentrate sunlight to power lasers
Legend tells of Greek engineer and inventor Archimedes using parabolic mirrors to create "heat rays" to burn the ships attacking Syracuse. Though the underpinnings of that claim are speculative at best, a modern-day team ...
Sep 12, 2011 |
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New e-paper display offers low energy/high refresh rate
(PhysOrg.com) -- A new type of display for portable electronic gadgets combines the energy efficiency of low power devices such as e-readers with the high performance of high power use devices such as laptops ...
Oct 11, 2010 |
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Scientists find black gold amidst overlooked data
(PhysOrg.com) -- About half of the oil in the ocean bubbles up naturally from the seafloor, with Earth giving it up freely like it was of no value. Likewise, NASA satellites collect thousands of images and ...
Space & Earth / Earth Sciences
Feb 19, 2009 |
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Being 'secondary' is important for a Webb Telescope mirror
(PhysOrg.com) -- "Secondary" may not sound as important as "primary" but when it comes to the next-generation James Webb Space Telescope a secondary mirror plays a critical role in ensuring the telescope gathers ...
Space & Earth / Space Exploration
Jul 20, 2011 |
4.4 / 5 (7) |
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Biology rides to computers' aid
Photonic crystals are exotic materials with the ability to guide light beams through confined spaces and could be vital components of low-power computer chips that use light instead of electricity. Cost-effective ...
Nanotechnology / Nanomaterials
Oct 19, 2010 |
4.8 / 5 (6) |
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NASA satellite observes damage path of april tornadoes
Recent images of the April 27 storm damage path have been captured by NASA's Terra satellite, part of NASA's Earth Observing Satellite system, or EOS. An instrument aboard Terra, called Advanced Spaceborne ...
Space & Earth / Earth Sciences
May 09, 2011 |
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Save your day: Mid-ocean creatures control light to avoid becoming snacks
If you're a snack-sized squid or octopus living in the ocean zone where the last bit of daylight gives way, having some control over your reflection could be a matter of life and death.
Nov 10, 2011 |
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Physics team calculates that graphene disks could be complete optical absorbers
(PhysOrg.com) -- In optical devices designed and used to collect light, there has always been a loss of light due to reflection, now, new research by a team of physicists from Spain and England has found, ...
Feb 01, 2012 |
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