posted Sep 08, 2007

Google video: Beyond Einstein - a presentation on the plans for various satellites to test General Relativity unto destruction. I'd heard about most of them, but this is a fairly good single-source introduction.

The video references a NASA website for the project. The video also promises that on Sept. 5, the most likely first satellite will be chosen; the Joint Dark Energy Mission was chosen (as described here). The logic is sound; LISA's design is audacious and the one I really want to see the results from, but probably needs more time to mature.

Exciting times. Cosmology seems like it's been on coast almost since the beginning of the 20th century, but the beginning of the 21st century is promising almost as much excitement. The result that the expansion of the Universe is accelerating is already breathtaking, and it's likely just the tip of the iceberg.

 

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