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

Disappearing homing pigeon mystery solved

Homing pigeons are usually remarkably efficient navigators, however, on rare occasions, things go drastically wrong. So, when Jon Hagstrum of the US Geological Survey read in his local newspaper about two ...

Jan 30, 2013
4.4 / 5 (10) 0 | with audio podcast