News tagged with radio antenna

SKA super telescope to be built in Australia, South Africa (Update 2)

A long-running joust to host a radio telescope that would give mankind its farthest peek into the Universe ended on Friday with a Solomon-like judgement to split the site between Australia and South Africa.

Space & Earth / Astronomy

created May 25, 2012 | popularity 4.9 / 5 (7) | comments 4

No-photon laser: Physicists demonstrate 'superradiant' laser design

Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost ...

Physics / Optics & Photonics

created Apr 04, 2012 | popularity 4.9 / 5 (14) | comments 7 | with audio podcast

South Africa confident on super-telescope bid ahead of talks

South African science minister Naledi Pandor said Thursday she remains confident on her country's bid to host the world's most powerful radio telescope, ahead of a crucial meeting next week.

Space & Earth / Space Exploration

created Mar 29, 2012 | popularity 5 / 5 (1) | comments 0

Debate still raging on site for super-telescope

An international consortium planning to build the world's most powerful radiotelescope is still debating whether South Africa or Australia should host the $2 billion project, an official said Friday.

Space & Earth / Space Exploration

created Mar 23, 2012 | popularity 5 / 5 (1) | comments 3

Gadget Watch: HP Envy 14 PC has smart-tag sensor

(AP) -- Thin, light laptops -known as "ultrabooks"- are a much-hyped category at this year's International Consumer Electronics Show, an annual showcase for the latest smartphones, tablet computers and other ...

Electronics / Consumer & Gadgets

created Jan 11, 2012 | popularity 5 / 5 (1) | comments 0

S.Africa ideal for world's largest telescope: minister

South Africa is well-placed to host the world's largest telescope because the costs would be lower, according to the deputy science minister.

Space & Earth / Space Exploration

created Dec 13, 2011 | popularity not rated yet | comments 0

Researchers adapt classic antennas to harness more power from the sun

Some solar devices, like calculators, only need a small panel of solar cells to function. But supplying enough power to meet all our daily needs would require enormous solar panels. And solar-powered energy collected by panels ...

Physics / General Physics

created Nov 10, 2011 | popularity 4.1 / 5 (7) | comments 0 | with audio podcast

Antennas by General Dynamics enable 'early science' for ALMA

Thirteen 12-meter antennas manufactured by General Dynamics SATCOM Technologies have been successfully installed at the 16,500-foot-high Chajnantor plateau in Chile, home to the Atacama Large Millimeter/submillimeter Array (ALMA) astronomical observatory. Loc ...

Space & Earth / Astronomy

created Oct 03, 2011 | popularity 5 / 5 (1) | comments 3

Most complex ground-based observatory - ALMA - opens its eyes

(PhysOrg.com) -- Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers. The first released image, from a ...

Space & Earth / Astronomy

created Oct 03, 2011 | popularity 4.9 / 5 (7) | comments 9 | with audio podcast

New ceramic chip antennas offer better performance, reliability

Wireless devices such as mobile phones rely on the radio spectrum to send and receive data. There is growing interest in using a worldwide unlicensed spectrum around 60 gigahertz for future wireless applications, ...

Technology / Telecom

created Sep 19, 2011 | popularity not rated yet | comments 0

Antennas in your clothes? New design could pave the way

(PhysOrg.com) -- The next generation of communications systems could be built with a sewing machine.

Technology / Engineering

created Aug 22, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Smart skin: Electronics that stick and stretch like a temporary tattoo (w/ video)

Engineers have developed a device platform that combines electronic components for sensing, medical diagnostics, communications and human-machine interfaces, all on an ultrathin skin-like patch that mounts ...

Technology / Engineering

created Aug 11, 2011 | popularity 4.8 / 5 (17) | comments 22 | with audio podcast

Ambient electromagnetic energy harnessed for small electronic devices

(PhysOrg.com) -- Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. ...

Technology / Engineering

created Jul 07, 2011 | popularity 5 / 5 (9) | comments 14 | with audio podcast

Smartphones -- the grip of death

New research by academics in the University of Bristol's Centre for Communications Research has highlighted the problems of reduced sensitivity in wireless communications, along with developing new solutions to overcome the ...

Technology / Engineering

created Feb 28, 2011 | popularity 5 / 5 (1) | comments 0

Metamaterials approach makes better satellite antennas

(PhysOrg.com) -- Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State ...

Technology / Engineering

created Jan 31, 2011 | popularity 5 / 5 (5) | comments 4 | with audio podcast