One day in the not-so-distant future, light sails may hurtle through space at speeds of around 20% of the speed of light (or 60,000 km/sec), propelled not by fuel but rather by the radiation pressure from high-power lasers ...
(PhysOrg.com) -- Researchers at the Centre of Molecular Materials for Photonics and Electronics (CMMPE) (part of the Department's Photonics Research Group at the University of Cambridge) are leading the way towards the development ...
Optics & Photonics
Apr 20, 2009
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Imagery has come down from Mars capturing a recent flight in which the rotorcraft flew farther and faster than ever before.
Space Exploration
May 27, 2022
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Potentially hazardous asteroids are still looming large in the minds of scientists engaged in planetary defense issues. Numerous strategies describing deflection of near-Earth objects (NEOs) have been proposed, including ...
Space Exploration
Mar 2, 2016
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Lawrence Livermore National Laboratory (LLNL) has installed and commissioned the highest peak power laser diode arrays in the world, representing total peak power of 3.2 megawatts (MW).
General Physics
Mar 12, 2015
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Terahertz radiation can penetrate numerous materials—plastic, clothing, paper and some biological tissues—making it an attractive candidate for applications such as concealed weapons detection, package inspection ...
Nanophysics
Jul 19, 2011
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The best known use of GPS satellites is to help people know their location whether driving a car, navigating a ship or plane, or trekking across remote territory. Another important, but lesser-known, use is to distribute ...
Planetary Sciences
Dec 11, 2023
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NASA delivered the first flight hardware for the Lunar Pathfinder mission to ESA (European Space Agency), which formally accepted the instrument on Nov. 4. NASA's Goddard Space Flight Center in Greenbelt, Maryland, developed ...
Space Exploration
Dec 5, 2022
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Just days after a 2020 magnitude 5.1 earthquake in Tangshan, China, researchers turned nearly 8 kilometers of unused telecom fiber optic cable into a seismic array that detected dozens of aftershocks that were missed by permanent ...
Earth Sciences
Dec 15, 2021
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NASA scientist Xiaoli Sun and his industry partner have created the world's first photon-counting detector sensitive to the mid-infrared wavelength bands—a spectral sweet spot for a number of remote-sensing applications, ...
Optics & Photonics
Jun 30, 2015
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