SLAC Today is
available online at:
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In this issue:
Sight Unseen
Colloquium Today: eScience and Semantic Computing
New Online Physics Photo Gallery
Monday - March 24, 2008 |
Sight UnseenDespite decades of attempts, gravitational waves continue to elude direct detection. However, one new technology could soon change that. SLAC theorists are watching closely as their experimentalist colleagues at Stanford make ready a device that will scrutinize Einstein's century-old equivalence principle, which says objects with different mass and compositions accelerate at the same speed under gravity. The precision of the Stanford experiment will be the highest ever achieved for a test of the equivalence principle. While the Stanford researchers' immediate goal is to examine this principle, the experiment will also demonstrate technology proposed for use in the search for gravitational waves. "Directly observing gravitational waves would revolutionize astrophysics," said SLAC graduate student Surjeet Rajendran. "They could offer a snapshot of the big bang, as well as other early universe processes." Read more... |
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eScience and
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New Online Physics Photo Gallery
The gallery includes more than 30,000 images of physicists and astronomers, as well as slides, lithographs and engravings. The gallery's core collection of photos taken by the late Segrè has been widely supplemented with images from other sources, and includes photos of SLAC and early laboratory staff. "The Emilio Segrè Visual Archives is wonderful," SLAC Archivist Jean Deken said. "The new favorite photos gallery is a nice addition to the site, and features some of the best-loved, most-requested photos in the collection." |
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