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In this issue:
Deep Underground Science: New Issue of Symmetry Online
A Visit from George Shultz
Colloquium Today: A New Generation of Particle Accelerators
Monday - March 8, 2010 |
Deep Underground Science: New Issue of Symmetry OnlineIf you're a dark matter particle or a neutrino, it's a constant struggle to make yourself heard. The universe is an exceptionally noisy place, filled with a rain of cosmic-ray particles—mainly high-energy protons. One of the few places to escape the noise is deep underground, where the rock, earth or water above shields against cosmic rays and allows other particles to tell whatever they are trying to say. This issue of Symmetry explores a range of particle physics and other sciences that can be be performed only deep underground. Some highlights of the issue: plans for a U.S. deep underground science and engineering laboratory, taking clean equipment to an extreme in the Enriched Xenon Observatory in a salt deposit in New Mexico, the trial faced by the earthquake-stricken Abruzzo region and the Gran Sasso laboratory in Italy, the search for "dark life", and a day in the life of the Soudan underground lab in Minnesota. A Visit from George ShultzFormer U.S. Secretary of State George Shultz, presently a distinguished fellow at Stanford University's Hoover Institution, visited SLAC last week together with several colleagues, national security fellows in residence for the year at the Hoover Institution and Center for International Security and Cooperation at Stanford. After lunch with SLAC Director Persis Drell and Hoover Senior Fellow Sid Drell, the group toured the lab. The group visited the Klystron Gallery, then John Galayda, director of construction for the Linac Coherent Light Source, guided them through the LCLS Undulator Hall and Far Experimental Hall for a glimpse into the workings of the worlds' first hard X-ray laser. Colloquium Today:
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