Archive: 05/25/2010

Nearby black hole is feeble and unpredictable

For over 10 years, NASA's Chandra X-ray Observatory has repeatedly observed the Andromeda Galaxy for a combined total of nearly one million seconds. This unique data set has given astronomers an unprecedented ...

May 25, 2010
4.8 / 5 (14) 5 | with audio podcast

GPS getting an upgrade - for $8 billion

(PhysOrg.com) -- GPS is getting an upgrade costing $8 billion (US), which aims to increase the system's accuracy, improve its reliability, and make the technology even more widespread.

May 25, 2010 report
4.6 / 5 (16) 15 | with audio podcast