Typhoon Saola looks like a monster tropical cyclone in infrared imagery from NASA's Aqua satellite today, July 30. Although Saola's center is over 300 nautical miles (368 miles/592 km) south-southeast of Taiwan, it stretches ...
Earth Sciences
Jul 30, 2012
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Antennas catch radio waves, a form of electromagnetic radiation, from the air and convert the energy into electrical signals that feed modern telecommunications. They can also convert electrical signals into radio waves. ...
Optics & Photonics
Mar 13, 2019
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Chinese scientists have synthesized new nanowires with high carrier mobility and fast infrared light (IR) response, which could help in high-speed communication. Their findings were published in Nature Communications on April ...
Nanophysics
Apr 10, 2019
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A technology that has enabled ever-faster delivery of voice and data over the Internet and other telecommunications platforms could play a front-and-center role in NASA's quest to develop a super-small instrument for gathering ...
Space Exploration
Oct 24, 2019
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(Phys.org) -- The RemScan device uses an infrared signal to directly measure petroleum hydrocarbons in soil. The user simply pulls the trigger for a result in 15 seconds. The traditional method for measuring petroleum contamination ...
Environment
Jul 24, 2012
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Geospatial scientists have found a way to detect plastic waste on remote beaches that are not visible in conventional satellite images, bringing us closer to global monitoring options.
Environment
Feb 2, 2022
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NASA's Nancy Grace Roman Space Telescope team recently flight-certified all 24 of the detectors the mission needs. When Roman launches in the mid-2020s, these devices will convert starlight into electrical signals, which ...
Astronomy
Jun 9, 2021
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242
On the last day of May 2013 asteroid 1998 QE2 passed relatively closely by our planet, coming within 6 million kilometers… about 15 times the distance to the Moon. While there was never any chance of an impact by the 3 ...
Space Exploration
Jun 17, 2013
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Optical fibers are rapidly replacing electrical wires as the primary medium for sending digital information over long distances. Without suffering from interference, pulses of light travelling along these thin strands of ...
Optics & Photonics
Jan 16, 2013
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While its intensity has dropped slightly, massive Hurricane Igor remains a powerful Category Three storm, with maximum sustained wind speeds of 105 knots (115 miles per hour) as it continues on a projected collision course ...
Earth Sciences
Sep 20, 2010
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