Posted to: Physics News

"PRINCETON, N.J. (AP) _ Physicists and Albert Einstein buffs around the world began flipping switches and dialing phones Monday night to commemorate World Year of Physics and the 50th anniversary of Einstein's death.

A worldwide relay of lights got under way at 8:45 p.m. with the illumination of the football stadium and two towers on the campus of Princeton University.

About 140 groups across the United States planned to illuminate everything from college campuses to private homes, said Claire Gmachl, an associate professor of electrical engineering at Princeton University who was organizing the campus' start of the relay.'

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Posted to: Physics News

"Each annual edition provides an opportunity to add new material, update/expand existing tables, and correct errors. Certainly, all errors that we have found or that have been brought to our attention by users are corrected in each new edition. We typically introduce five or six new topics each year, and five to ten existing tables are updated or expanded. The net result is the at least 5% of the book is substantially changed each year. In some years, when a very long table is updated, the changes can amount to 10-20%." - Read More

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