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Wednesday, July 25, 2012
13.7: Cosmos And Culture
Cosmic Rays: 100 Years Of Mystery
July 25, 2012 As scientists celebrate 100 years since the discovery of cosmic rays, many mysteries remain. Cosmic rays and giant black holes at the center of galaxies may constitute a dramatic cosmic link.
Thursday, March 15, 2012
The Two-Way
First Neutrino Message Sent Through Rock; Could One Travel Back In Time?
March 15, 2012 Researchers pushed a short message through nearly 800 feet of solid stone. In theory, some day we may be able to send a message to the other side of the world through the world.