News tagged with antennae

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 ...

Apr 29, 2011
5 / 5 (8) 8 | with audio podcast

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.

Aug 19, 2014
4.4 / 5 (9) 1

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 ...

Jan 09, 2013
4.3 / 5 (9) 2 | with audio podcast

Pyramid nanoscale antennas beam light up and down

Researchers from FOM Institute AMOLF and Philips Research have designed and fabricated a new type of nanoscale antenna. The new antennas look like pyramids, rather than the more commonly used straight pillars. ...

Dec 17, 2014
4.9 / 5 (8) 1

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. ...

Apr 25, 2013
4.2 / 5 (9) 1