Researchers at the George Washington University have developed a new design of vertical-cavity surface-emitting laser (VCSEL) that demonstrates record-fast temporal bandwidth. This was possible by combining multiple transverse ...
Optics & Photonics
Nov 19, 2020
0
1396
Modern communications technology, regardless of use, relies on a similar formula: devices send signals and information through data centers, towers and satellites en route to their final destination. The effectiveness of ...
Optics & Photonics
Nov 12, 2020
1
72
With the setting of the sun and the onset of polar darkness, the Arctic Ocean would normally be crusted with sea ice along the Siberian coast by now. But this year, the water is still open.
Environment
Oct 28, 2020
1
80
Ice loss from the Greenland Ice Sheet has accelerated significantly over the past two decades, transforming the shape of the ice sheet edge and therefore coastal Greenland, according to scientific research led by Twila Moon, ...
Earth Sciences
Oct 27, 2020
6
277
Although out of sight to the majority of end users, data centers work behind the scenes to run the internet, businesses, research institutions and more. These data centers depend on high-capacity digital storage, the demand ...
Materials Science
Oct 8, 2020
0
183
The explosive growth of internet use leads to an explosion of the energy consumption of data centers. Vertical cavity surface emitting lasers (VCSELs) are key enabling devices meeting the requirements of optical interconnects ...
Optics & Photonics
Sep 24, 2020
0
10
The center of our Milky Way galaxy is too distant for us to visit in person, but we can still explore it. Telescopes give us a chance to see what the Galactic Center looks like in different types of light. By translating ...
Astronomy
Sep 22, 2020
2
503
Arctic summer sea ice melted in 2020 to the second smallest size since records began 42 years ago, US scientists announced Monday, offering further stark evidence of the impact of global warming.
Environment
Sep 21, 2020
0
229
As our lives become increasingly intertwined with technology—whether supporting communication while working remotely or streaming our favorite show—so too does our reliance on the data these devices create. Data centers ...
Condensed Matter
Sep 18, 2020
0
240
Streaming high-definition videos and games can result in significant greenhouse gas emissions, depending on the technology used, according to a German government-backed study released Thursday.
Environment
Sep 10, 2020
0
6
