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. ...
TV startup shakes up US broadcasters with court win
A startup whose business model is based on tiny antennas receiving over-the-air television for online viewing by subscribers has put the US broadcast industry on the defensive.
Blackberry rejects Apple's signal loss claim
Blackberry maker Research in Motion (RIM) has fired back at Apple over its claim that all smartphones suffer signal loss when held in a certain way.
Motorola on authentication: We're talking tattoos and pills
Voyager, the love story
(PhysOrg.com) -- One day, years from now--or maybe billions of years, no one knows--aliens might be surprised to run across an old spaceship from Earth. Improbably far from home, the ancient probe is space ...
Metal nanoparticles shine with customizable color (w/ video)
(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
Chips that can steer light
If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing—the approach used in, say, theatrical spotlights, which stagehands ...
Russian spaceship may fail to dock to ISS
An unmanned Russian spaceship carrying 2.5 tonnes of cargo may be unable to properly dock with the International Space Station after its navigation antenna failed to properly deploy, Interfax said on Thursday. ...
Cargo spaceship docks with ISS despite antenna mishap (Update)
An unmanned cargo vehicle on Friday successfully docked with the International Space Station, in a delicate manoeuvre after its navigation antenna failed to properly deploy following launch, Russian mission ...
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 ...
Origami techniques lead to newly engineered compact antennas and electronics
Florida International University researchers are using technology and principles derived from the traditional Japanese art of origami to create remarkably compact and incredibly efficient antennas and electronics.
New loss mechanism for global 4G roaming
A loss mechanism that has not been an issue in previous mobile handset antennas will become important for global 4G roaming, according to results of experiments carried out in Aalborg, Denmark.
Spitzer sees shrouded burst of stars
(PhysOrg.com) -- Astronomers using NASA's Spitzer Space Telescope have found a stunning burst of star formation that beams out as much infrared light as an entire galaxy. The collision of two spiral galaxies ...
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 ...