Related topics: galaxies , radio telescopes



News tagged with radio waves

results timeline


Wireless optical transmission key to secure, safe and rapid indoor communications

Technology / Engineering

created Jan 27, 2010 | popularity 3.7 / 5 (3) | comments 2 | with audio podcast

Light is better than radio waves when it comes to some wireless communications, according to Penn State engineers. Optical communications systems could provide faster, more secure communications with wider bandwidth and would ...


West Virginia Student Discovers New Pulsar

West Virginia Student Discovers New Pulsar

Space & Earth / Space Exploration

created Jan 22, 2010 | popularity 4.7 / 5 (6) | comments 0

(PhysOrg.com) -- A West Virginia high-school student has discovered a new pulsar, using data from the giant Robert C. Byrd Green Bank Telescope (GBT).


MagicJack's next act: disappearing cell phone fees

Technology / Telecom

created Jan 08, 2010 | popularity 4.8 / 5 (8) | comments 5

(AP) -- The company behind the magicJack, the cheap Internet phone gadget heavily promoted on TV, has made a new version of the device that allows free calls from cell phones in the home.


Scientists reveal Milky Way's magnetic attraction

Scientists reveal Milky Way's magnetic attraction

Space & Earth / Astronomy

created Jan 06, 2010 | popularity 4.8 / 5 (9) | comments 4

(PhysOrg.com) -- An international research project involving the University of Adelaide has revealed that the magnetic field in the centre of the Milky Way is at least 10 times stronger than the rest of the ...


Fermi telescope caps its first year with a glimpse of space-time

Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.6 / 5 (14) | comments 5

During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma ...


Blast from the Past Gives Clues About Early Universe

Blast from the Past Gives Clues About Early Universe

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.7 / 5 (9) | comments 5

(PhysOrg.com) -- Astronomers using the National Science Foundation's Very Large Array (VLA) radio telescope have gained tantalizing insights into the nature of the most distant object ever observed in the ...


Smallest nanoantennas for high-speed data networks

Smallest nanoantennas for high-speed data networks

Nanotechnology / Nanophysics

created Oct 20, 2009 | popularity 3.3 / 5 (3) | comments 0

More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...


Astronomers seek to explore the cosmic Dark Ages

Space & Earth / Astronomy

created Oct 15, 2009 | popularity 4.9 / 5 (9) | comments 1

No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...


Wi-Fi signals can see through walls

Wi-Fi signals can see through walls

Technology / Engineering

created Oct 05, 2009 | popularity 4.3 / 5 (8) | comments 2 weblog

(PhysOrg.com) -- Researchers at the University of Utah, USA, have discovered that variations in signal strengths in wireless networks can be used to "see" movements of people on the other side of walls or ...


Rensselaer researchers to develop and test next-generation radar systems

Rensselaer researchers to develop and test next-generation radar systems

Technology / Engineering

created Sep 30, 2009 | popularity not rated yet | comments 0

Researchers at Rensselaer Polytechnic Institute have received a grant for $792,000 from the U.S. Air Force to create a new laboratory for developing and testing next-generation radar systems that overcome ...


High-School Student Discovers Strange Astronomical Object

High-School Student Discovers Strange Astronomical Object

Space & Earth / Astronomy

created Sep 22, 2009 | popularity 4.6 / 5 (20) | comments 8

(PhysOrg.com) -- A West Virginia high-school student analyzing data from a giant radio telescope has discovered a new astronomical object -- a strange type of neutron star called a rotating radio transient.


Biosphere 2 Opens Phoenix Mars Lander Exhibit

Biosphere 2 Opens Phoenix Mars Lander Exhibit

Space & Earth / Space Exploration

created Sep 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A full-size model Phoenix Lander has landed at Biosphere 2 before it heads, ultimately, to the Smithsonian Institution in Washington, D.C


Longest lightning storm on Saturn breaks Solar System record

Longest lightning storm on Saturn breaks Solar System record

Space & Earth / Space Exploration

created Sep 15, 2009 | popularity 3.7 / 5 (3) | comments 0

A powerful lightning storm in Saturn’s atmosphere that began in mid-January 2009 has become the Solar System’s longest continuously observed thunderstorm.  It broke the record duration of 7.5 months set by ...


A Theory of Dark Matter

A Theory of Dark Matter

Physics / General Physics

created Sep 08, 2009 | popularity 3.6 / 5 (41) | comments 58

Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."


Measuring the next successful antennas for in-body health monitoring devices

Measuring the next successful antennas for in-body health monitoring devices

Technology / Engineering

created Sep 08, 2009 | popularity not rated yet | comments 0

Antennas for the latest implanted medical devices are being developed by Queen Mary University of London and tested through a unique piece of kit at the UK's National Physical Laboratory (NPL).