News tagged with radio signals
Related topics: spacecraft
SETI may be looking in the wrong places: astronomer
(PhysOrg.com) -- A senior astronomer with the Search for ExtraTerrestrial Intelligence (SETI) Institute, Dr Seth Shostak, has reported in an article published online that perhaps we should be seeking alien ...
City lights could reveal E.T. civilization
In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...
Nov 03, 2011 |
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Thunderstorms hurling antimatter into space caught by Fermi (w/ Video)
(PhysOrg.com) -- Scientists using NASA's Fermi Gamma-ray Space Telescope have detected beams of antimatter produced above thunderstorms on Earth, a phenomenon never seen before.
Space & Earth / Earth Sciences
Jan 11, 2011 |
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RCA's Airenergy charger converts WiFi energy to electricity
(PhysOrg.com) -- Airenergy is a gadget that can harvest free electricity from WiFi signals such as those from a wireless Internet connection, apparently with enough efficiency to make it practical for recharging ...
The birth of a telescope 30 times larger than Earth
(PhysOrg.com) -- On 15 November 2011, the Effelsberg 100-meter radio telescope, together with three Russian and one Ukrainian telescope, took part in the first interferometric observations with the orbiting ...
Dec 08, 2011 |
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New radio chip mimics human ear, could enable universal radio (w/Video)
(PhysOrg.com) -- MIT engineers have built a fast, ultra-broadband, low-power radio chip, modeled on the human inner ear, that could enable wireless devices capable of receiving cell phone, Internet, radio ...
Jun 03, 2009 |
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Ghost remains after black hole eruption
NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence ...
May 28, 2009 |
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Photonic neuron may compute a billion times faster than brain circuits
(PhysOrg.com) -- The name of the project -- "photonic neuron" -- was catchy enough, but what really caught Mitchell Nahmias' attention was the opportunity to combine his interests in engineering and neuroscience.
Jul 19, 2011 |
4.8 / 5 (17) |
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An alien code close to home: Seeking ET beyond the radio silence
Any intelligent extraterrestrial life that exists probably won't announce itself by blowing up the White House, or win over the hearts of children as a lovable alien with a glowing finger. Many scientists ...
Space & Earth / Space Exploration
Oct 28, 2011 |
4.1 / 5 (19) |
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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.
Nanotechnology / Nanomaterials
Dec 21, 2010 |
4.8 / 5 (15) |
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Clocking Neptune's spin
(PhysOrg.com) -- By tracking atmospheric features on Neptune, a UA planetary scientist has accurately determined the planet's rotation, a feat that had not been previously achieved for any of the gas planets ...
Jun 29, 2011 |
4.8 / 5 (15) |
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A new way to weigh planets
An international CSIRO-led team of astronomers has developed a new way to weigh the planets in our Solar System - using radio signals from the small spinning stars called pulsars.
Aug 24, 2010 |
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Analysis of the First Kepler SETI Observations
As the Kepler space telescope begins finding its first Earth-sized exoplanets, with the ultimate goal of finding ones that are actually Earth-like, it would seem natural that the SETI (Search for Extraterrestrial ...
Jan 09, 2012 |
4.8 / 5 (13) |
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US military developing geolocation system for underground
(PhysOrg.com) -- The US military is studying the feasibility of a system that could allow them to accurately navigate in enemy underground tunnels, an environment in which GPS does not work.
Radio Waves: Alternative Power Source
(PhysOrg.com) -- Researchers at Duke University are harvesting ambient radio waves to power small microprocessor devices that consume very little energy. Devices such as sensors that monitor critical environmental ...