News tagged with antennae

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 ...

dateJan 09, 2013 in Optics & Photonics
shares0 comments 2

Chile's ALMA probes for origins of universe

(AP)—Earth's largest radio telescope is growing more powerful by the day on this remote plateau high above Chile's Atacama desert, where visitors often feel like they're planting the first human footprints ...

dateOct 26, 2012 in Astronomy
shares0 comments 5