News tagged with frequency

LOFAR discovers new giant galaxy in all-sky survey

A team of astronomers led by ASTRON astronomer Dr. George Heald has discovered a previously unknown gigantic radio galaxy, using initial images from a new, ongoing all-sky radio survey. The galaxy was found ...

Mar 20, 2013
5 / 5 (1) 4

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