Archive: 10/28/2008

The great cosmic challenge

(PhysOrg.com) -- Today cosmologists are challenging the world to solve a compelling statistical problem, to bring us closer to understanding the nature of dark matter and energy which makes up 95 per cent of the ‘missing’ ...

Oct 28, 2008 4.3 / 5 (32) 11

Satellites approach the Shannon limit

(PhysOrg.com) -- Satellites are achieving unparalleled efficiency with a new protocol, DVB-S2. The performance of DVB-S2 satellite systems is very close to the theoretical maximum, defined by the Shannon Limit. That efficiency ...

Oct 28, 2008 4.5 / 5 (43) 1