Nanotubes behave as optical antennae
(PhysOrg.com) -- Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell researchers have discovered.
(PhysOrg.com) -- Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell researchers have discovered.
Nanomaterials
Dec 21, 2010
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(PhysOrg.com) -- Engineering researchers at the University of Arkansas have developed a unique and robust method to prevent cloning of passive radio frequency identification tags. The technology, based on one or more unique ...
Engineering
Nov 19, 2009
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NASA's VIPER—short for the Volatiles Investigating Polar Exploration Rover—now stands taller and more capable than ever, thanks to its mast.
Space Exploration
Apr 1, 2024
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An experimental antenna has received both radio frequency and near-infrared laser signals from NASA's Psyche spacecraft as it travels through deep space. This shows it's possible for the giant dish antennas of NASA's Deep ...
Space Exploration
Feb 8, 2024
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On any given day, NASA's networks may communicate with more than 100 space missions. Whether the mission keeps the lines of communication open with orbiting astronauts or peers deep into the cosmos, those dozens of satellites ...
Space Exploration
Nov 3, 2023
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NASA's Lucy spacecraft is preparing for its first close-up look at an asteroid. On Nov. 1, it will fly by asteroid Dinkinesh and test its instruments in preparation for visits in the next decade to multiple Trojan asteroids ...
Space Exploration
Oct 19, 2023
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NASA's Europa Clipper is designed to seek out conditions suitable for life on an ice-covered moon of Jupiter. On Aug. 14, the spacecraft received a piece of hardware central to that quest: the massive dish-shaped high-gain ...
Space Exploration
Aug 15, 2023
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Engineers at NASA's Goddard Space Flight Center in Greenbelt, Maryland, have finished testing the high-gain antenna for the Nancy Grace Roman Space Telescope. When it launches by May 2027, this NASA observatory will help ...
Space Exploration
Feb 7, 2023
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This is the antenna that will transmit back the first close-up images of the distant Dimorphos asteroid since its orbit was shifted by a collision with NASA's DART spacecraft.
Space Exploration
Dec 22, 2022
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The design for the Next Generation Very Large Array (ngVLA) prototype antenna has passed an intensive, five-day review, clearing the way to begin manufacturing the prototype antenna. The review in Wiesbaden, Germany was attended ...
Astronomy
Dec 20, 2022
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