Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays

Space & Earth / Astronomy

Dec 07, 2009 | 4.4 / 5 (11) | 4

(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...

Web wizardry: CS 50 Fair spotlights students’ programming for the Web

Other Sciences / Other

Dec 17, 2009 | not rated yet | 0

The observation became a question and finally an application.