Word: lamont
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Students will now be required to present their bursar's cards upon entering Lamont Library, in accordance with a new security procedure instituted for the first time yesterday...
Lucy M. Manzi, Lamont Librarian, said yesterday that the measure is designed to "keep out outsiders" and prevent "problems" similar to the attempted rape of a Radcliffe student which took place in the building last spring...
...implication of that information was not lost on visiting Westerners. As soon as he returned home from Moscow, Lynn Sykes, head of the seismology group of Columbia University's Lamont-Doherty Geological Observatory, urged one of his students, a young Indian doctoral candidate named Yash Aggarwal, to look for similar velocity shifts in records from Lamont-Doherty's network of seismographs in the Blue Mountain Lake region of the Adirondacks, in upper New York State, where tiny tremors occur frequently...
...Russian discoveries reawakened interest in the subject. Geophysicist Christopher Scholz of Lamont-Doherty and Amos Nur at Stanford, both of whom had studied under Brace at M.I.T., independently published papers that used dilatancy to explain the Russian findings. Both reports pointed out an apparent paradox: when the cracks first open in the crustal rock, its strength increases. Temporarily, the rock resists fracturing and the quake is delayed. At the same time, seismic waves slow down because they do not travel as fast through the open spaces as they do through solid rock. Eventually ground water begins to seep into...
Other seismic monitoring grids in the U.S. include a 45-station network in the Los Angeles area, operated jointly by the USGS and Caltech; smaller networks in the New York region under the Lamont-Doherty scientists; and those in the Charleston, S.C., area, operated by the University of South Carolina. When completed and computerized, these networks will provide two warnings of impending quakes. If scientists detect changes in P-wave velocities, magnetic field and other dilatancy effects that persist over a wide area, a large quake can be expected-but not for many months. If the dilatancy effects occur...