Friday, September 26, 2008

Mediaburn and the Nature of Dark Flow Dark Flow. Mysterious New 'Dark Flow' Discovered in Space. "As if the mysteries of dark matter and dark energy weren't vexing enough, another baffling cosmic puzzle has been discovered. Patches of matter in the universe seem to be moving at very high speeds and in a uniform direction that can't be explained by any of the known gravitational forces in the observable universe. Astronomers are calling the phenomenon 'dark flow.' The stuff that's pulling this matter must be outside the observable universe, researchers conclude." Here's the paper (subscription required): A Measurement of Large-Scale Peculiar Velocities of Clusters of Galaxies: Results and Cosmological Implications. NASA has preprints you can download: results and implications and technical details (PDFs). [MetaFilter] 6:21:15 PM

Downtown Trains London Underground trains to get a cool makeover. The new air-conditioned trains will serve the Underground's Metropolitan line beginning in 2010 and additional lines after that. They are all expected to be up and running by 2015. [azcentral.com | thebuzz] 6:10:12 PM