News tagged with radio

DRAGNs in the sky

A radio galaxy is a galaxy that emits large amounts of radio waves. They were first discovered in the 1950s, but it wasn't until the 1960s when a technique known as aperture synthesis was developed that we ...

Sep 09, 2014
4.4 / 5 (9) 1

Researchers could improve how companies ship fresh produce

A University of Florida-led research team's development of a tracking system could change the way companies ship fresh fruits and vegetables, letting them know which produce is closest to expiration and providing consumers ...

Sep 04, 2014
not rated yet 0

Rainfall monitoring with mobile phones

Agriculture, water resource management, drought and flood warnings, etc.: rainfall monitoring is vital in many areas. But the observation networks remain insufficient. This is not the case for antennas for ...

Sep 02, 2014
5 / 5 (2) 0

Swirling electrons in the whirlpool galaxy

The whirlpool galaxy Messier 51 (M51) is seen from a distance of approximately 30 million light years. This galaxy appears almost face-on and displays a beautiful system of spiral arms.

Aug 20, 2014
4.8 / 5 (18) 22