Wednesday, January 18, 2012

Gravitational Lensing Helps Redraw the Map of Space

The observations show that dark matter in the Universe is distributed as a network of gigantic dense (white) and empty (dark) regions, where the largest white regions are about the size of several Earth moons on the sky. Van Waerbeke / Heymans / CFHTLens collaboration

A Cosmic Illusion: Gravitational Lensing Helps Redraw the Map of Space -- Time

You can hardly accuse Albert Einstein of being short on imagination. The man who invented General Relativity and helped invent quantum theory probably had more creative thoughts in an hour than most folks have in a year. But one of Einstein's more intriguing scientific papers, which appeared in Science in 1936, wasn't really his idea in the first place. It came instead from a Czech electrical engineer named Rudi Mandl, who was intrigued by one of relativity's implications.

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