News tagged with radio pulse

Image: Astronaut tests SAFER backpack

(PhysOrg.com) -- Astronaut Mark Lee tests the new backpack called Simplified Aid for EVA Rescue (SAFER), a system designed for use in the event a crew member becomes untethered while conducting an EVA.

Space & Earth / Space Exploration

created Dec 01, 2011 | popularity 3.7 / 5 (3) | comments 3

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

'Microrings' could nix wires for communications in homes, offices

(PhysOrg.com) -- Purdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete for ...

Physics / Optics & Photonics

created Mar 03, 2010 | popularity 4.2 / 5 (10) | comments 5 | with audio podcast

Siemens Sets New Record for Wireless Data Transfer using White LEDs

(PhysOrg.com) -- Researchers from Siemens have broken their own record for wirelessly transmitting data over white LED light. They’ve now achieved rates of 500 megabits per second (Mbps), shattering the previous ...

Technology / Telecom

created Jan 21, 2010 | popularity 4.3 / 5 (8) | comments 8 | with audio podcast report

Radio pulses from pulsar appear to move faster than light

(PhysOrg.com) -- Laboratory experiments in the last few decades have shown that some things can appear to move faster than light without contradicting Einstein's special theory of relativity, but now astrophysicists ...

Physics / General Physics

created Jan 14, 2010 | popularity 4.4 / 5 (56) | comments 76 | with audio podcast report

New MRI signaling method could picture disease metabolism in action

Duke University chemists are using modified magnetic resonance imaging to see molecular changes inside people's bodies that could signal health problems such as cancer.

Chemistry / Analytical Chemistry

created Mar 26, 2009 | popularity 5 / 5 (2) | comments 0