The NMI3 Imaging JRA discusses how to produce smaller beams. They conclude that reflective optics offers the most versatile way to produce them.
General Physics
Jul 9, 2015
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17
Forests worldwide are increasingly used to store carbon as a way to slow climate change, but a Dartmouth-led study finds that some wooded areas may be more valuable without trees, allowing the cleared landscape to reflect ...
Ecology
Jun 25, 2015
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17
The Chinese city of Tianjin is captured in this Sentinel-1A radar image created by combining three scans over several months.
Earth Sciences
Jun 5, 2015
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9
This radar image captures part of Catalonia in northeastern Spain including the city of Barcelona (right), the site of one of Europe's principal seaports.
Earth Sciences
May 15, 2015
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13
It's hard to take a photo through a window without picking up reflections of the objects behind you. To solve that problem, professional photographers sometimes wrap their camera lenses in dark cloths affixed to windows by ...
Computer Sciences
May 11, 2015
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The effect is known from the smart phone: Sun is reflected by the display and hardly anything can be seen. In contrast to this, the glasswing butterfly hardly reflects any light in spite of its transparent wings. As a result, ...
Plants & Animals
Apr 22, 2015
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59
Commonplace as they are, windows are an important piece of technology. Beyond architectural aesthetics, a building's ecological footprint depends heavily on how its internal light and heat are managed. With this in mind, ...
Energy & Green Tech
Apr 9, 2015
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18
The Hapi region on the neck of Rosetta's comet 67P/Churyumov-Gerasimenko reflects red light less effectively than most other regions on the comet. It thus appears slightly blueish. The Hapi region is located between the comet's ...
Space Exploration
Mar 13, 2015
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Located in the northwest corner of Greenland, Leidy Glacier is fed by ice from the Academy Glacier (upstream and inland). As Leidy approaches the sea, it is diverted around the tip of an island that separates the Olriks Fjord ...
Earth Sciences
Jan 23, 2015
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12
The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the prevalence of water on the planet's surface. While water itself is not blue, ...
Earth Sciences
Dec 2, 2014
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