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 ...

Space & Earth / Space Exploration

created Aug 24, 2010 | popularity 3.9 / 5 (41) | comments 123 | with audio podcast report

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 ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 4.6 / 5 (29) | comments 54 | with audio podcast

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

created Jan 11, 2011 | popularity 5 / 5 (23) | comments 14 | with audio podcast

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 ...

Electronics / Consumer & Gadgets

created Jan 13, 2010 | popularity 3.8 / 5 (29) | comments 38 | with audio podcast weblog

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 ...

Space & Earth / Astronomy

created Dec 08, 2011 | popularity 5 / 5 (21) | comments 5 | with audio podcast

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 ...

Technology / Engineering

created Jun 03, 2009 | popularity 4.2 / 5 (24) | comments 2

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 ...

Space & Earth / Astronomy

created May 28, 2009 | popularity 4.8 / 5 (17) | comments 15

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.

Physics / General Physics

created Jul 19, 2011 | popularity 4.8 / 5 (17) | comments 9

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

created Oct 28, 2011 | popularity 4.1 / 5 (19) | comments 97 | with audio podcast

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

created Dec 21, 2010 | popularity 4.8 / 5 (15) | comments 7 | with audio podcast

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 ...

Space & Earth / Astronomy

created Jun 29, 2011 | popularity 4.8 / 5 (15) | comments 3 | with audio podcast

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.

Space & Earth / Astronomy

created Aug 24, 2010 | popularity 5 / 5 (13) | comments 4 | with audio podcast

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 ...

Space & Earth / Astronomy

created Jan 09, 2012 | popularity 4.8 / 5 (13) | comments 49

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.

Technology / Hi Tech & Innovation

created Mar 11, 2010 | popularity 4.5 / 5 (13) | comments 6 | with audio podcast report

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 ...

Technology / Engineering

created Jul 20, 2010 | popularity 4.2 / 5 (13) | comments 2 | with audio podcast weblog