When it comes to solar cells, less is more—the less their surfaces reflect a sun's rays, the more energy can be generated. A typical fix to the problem of reflectivity is an anti-reflective coating, but that might not always ...
Optics & Photonics
Aug 31, 2017
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217
NASA's Operation IceBridge is flying its summer Arctic land ice campaign in Greenland, continuing its measurements of the Greenland Ice Sheet and its outlet glaciers. For the next four weeks, IceBridge will be flying the ...
Earth Sciences
Aug 31, 2017
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The historic rainfall dumped by Hurricane Harvey has already led to deaths by drownings and the destruction of many homes.
Environment
Aug 31, 2017
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3
Hurricane Harvey continues to churn toward the Texas coast, and is expected to make landfall as a major hurricane sometime late Aug. 25 or early Aug. 26, according to the National Hurricane Center. It would be the first major ...
Earth Sciences
Aug 31, 2017
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4
The self-defining characteristics that Americans hold dear include their racial and cultural heritage, the language they speak and their choice of worship.
Social Sciences
Aug 31, 2017
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49
Despite what you might see in movies, today's robots are still very limited in what they can do. They can be great for many repetitive tasks, but their inability to understand the nuances of human language makes them mostly ...
Robotics
Aug 31, 2017
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201
A decades-old mystery of why a naturally-occurring organic crystal fluoresces blue under ultra-violet light, yet when grown under laboratory conditions fluoresces with an intense green colour, has been solved by scientists ...
Materials Science
Aug 31, 2017
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202
A deceptively valuable wall hanging: this section of the NASA–ESA Hubble Space Telescope's solar array flew for eight years in space before being returned to Earth aboard a Space Shuttle, and is now displayed at ESA's technical ...
Space Exploration
Aug 31, 2017
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0
When astronomer Bobby Bus discovered an asteroid passing through the inner solar system on March 2, 1981, it was bright enough to record in his telescope's photos despite being more than 145 million miles away. This week ...
Space Exploration
Aug 31, 2017
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41
Sandia National Laboratories has successfully demonstrated a new, more environmentally friendly method to test a rocket part to ensure its avionics can withstand the shock from stage separation during flight.
Space Exploration
Aug 31, 2017
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