News tagged with antennae

Image: Orion seen from the Rover

(PhysOrg.com) -- The Apollo 16 Lunar Module "Orion" is photographed from a distance by astronaut Chares M. Duke Jr., Lunar Module pilot, aboard the moving Lunar Roving Vehicle.

Nov 09, 2011
5 / 5 (4) 2

Hiding in plain sight

A couple years ago, researchers introduced a new material that they said could make any object invisible to both radar and the human eye. Invisibility cloaking would have a major impact on defense technology, they explained, ...

Mar 05, 2013
5 / 5 (4) 1 | with audio podcast

Image: Hubble sees a swirl of star formation

(Phys.org) —This beautiful, glittering swirl is named, rather un-poetically, J125013.50+073441.5. A glowing haze of material seems to engulf the galaxy, stretching out into space in different directions ...

May 27, 2013
5 / 5 (4) 0 | with audio podcast

RF MEMS: New possibilities for smartphones

(Phys.org) —The antennas in most of today's smartphones do not function efficiently in 3G and 4G/LTE wireless environments. This leads to slower download speeds, reduced voice quality, lower energy efficiency ...

Jan 16, 2014
5 / 5 (4) 1 | with audio podcast

Catching signals from a speeding satellite

Soaring high above Earth as they speed through space, satellites are difficult targets to track. Now a new approach developed in Europe is helping ground stations to acquire signals faster and more accurately ...

Mar 07, 2014
5 / 5 (4) 0