Streetlights illuminate the night, shining upon roadways and sidewalks across the world, but these ubiquitous elements of the urban environment are notoriously inefficient and major contributors to light pollution that washes ...
Optics & Photonics
Apr 24, 2013
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(Phys.org) —Microscopes have been a centerpiece of experimental science since at least the 16th century, providing a window into the material world at extraordinarily small scales. As the structures examined decrease in ...
Optics & Photonics
Apr 17, 2013
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(Phys.org) —A standard camera takes flat, 2-D pictures. To get 3-D information, such as the distance to a far-away object, scientists can bounce a laser beam off the object and measure how long it takes the light to travel ...
Optics & Photonics
Apr 4, 2013
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Engineers at Stanford have demonstrated a high-resolution endoscope that is as thin as a human hair with a resolution four times better than previous devices of similar design. The so-called micro-endoscope is a significant ...
Optics & Photonics
Mar 13, 2013
1
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(Phys.org) —A breakthrough in nanolaser technology has been made by Arizona State University researchers.
Optics & Photonics
Mar 12, 2013
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(Phys.org)—Firefighters put their lives on the line in some of the most dangerous conditions on Earth. One of their greatest challenges, however, is seeing through thick veils of smoke and walls of flame to find people ...
Optics & Photonics
Feb 26, 2013
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(Phys.org)—Digital cameras, medical scanners, and other imaging technologies have advanced considerably during the past decade. Continuing this pace of innovation, an Austrian research team has developed an entirely new ...
Optics & Photonics
Feb 20, 2013
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(Phys.org)—By bringing nanophotonics technology to traditional optical spectroscopy, a new kind of optical spectrometer with functions of sensing and spectral measurement has been recently demonstrated by a research team ...
Nanophysics
Jan 29, 2013
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(Phys.org)—As part of the first demonstration of laser communication with a satellite at the moon, scientists with NASA's Lunar Reconnaissance Orbiter (LRO) beamed an image of the Mona Lisa to the spacecraft from Earth.
Space Exploration
Jan 17, 2013
8
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The nighttime twinkling of fireflies has inspired scientists to modify a light-emitting diode (LED) so it is more than one and a half times as efficient as the original. Researchers from Belgium, France, and Canada studied ...
Optics & Photonics
Jan 8, 2013
5
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