AN EMBARGO EXTENDING TO THE TIME OF THE PRESS CONFERENCES APPLIES TO THE FOLLOWING INFORMATION For more information contact Phillip Schewe at the American Institute of Physics, 301-209-3092, pschewe@aip.org, or Ben Stein, 301-209-3091, bstein@aip.org, or Randy Atkins, 301-209-3238; atkins@aps.org. At the meeting, as of March 12, call the pressroom at 202-962-4214. The fax number is 202-962-4212. April 28, 2001------- The American Physical Society Spring Meeting will be held April 28-May 1 in the Renaissance Hotel in Washington, DC, where the pressroom is room 18/19. NOTE: THE LOCATIONS OF THE PRESS CONFERENCES HAVE BEEN CHANGED. Sunday, April 29, 10 AM-Microwave Background: the Second and Third Peaks PRESS CONFERENCE IN ROOMS 12/13 ---John Carlstrom (paper H4-5, 773-834-0269, jc@oddjob.uchicago.edu) will present the new results from the Degree Angular Scale Interferometer (DASI) collaboration ---John Ruhl (co-author on paper H4-6, UC Santa Barbara, 805-893-8860, ruhl@physics.ucsb.edu) will report the new results of the Boomerang collaboration. ---Michael Turner (773-702-7974, mturner@oddjob.uchicago.edu) will provide a theoretical assessment of the new data. Monday, April 30, 9:30 AM-First Direct Evidence for Black Hole Rotation PRESS CONFERENCE IN ROOM 16 ---Tod Strohmayer (paper K20.90) of the Goddard Space Flight Center (301-286-1256) will present an analysis of data from the Rossi X-Ray Timing Explorer (RXTE) satellite. ---Virginia Trimble of the University of Maryland/University of California-Irvine vrimble@astro.umd.edu) will be on hand to comment on the new RXTE analysis. A colorful video simulation of the microquasar will be shown. Monday, April 30, 1:30 PM---RHIC's First Surprises PRESS CONFERENCE IN ROOM 16 Reports from the four detector groups at RHIC, plus commentary: ---PHENIX/session organizer: Vicki Greene, Vanderbilt University (615-343-0657, senta.v.greene@vanderbilt.edu) -Theorist Xin-Nian Wang, Lawrence Berkeley National Laboratory (510-486-5239, xnwang@lbl.gov) ---STAR representative John Cramer, Univ. of Washington, (206-543-9194, cramer@phys.washington.edu) ---Peter Jacobs, STAR, Lawrence Berkeley National Laboratory (510-486-5413, pmjacobs@lbl.gov) ---BRAHMS representative Jens Jorgen Gaardhoje, Univ. of Copenhagen (011-45 35 325309, gardhoje@hehi03.nbi.dk) ---PHOBOS representative Russell Betts, Univ of Illinois at Chicago (312-413-2779, betts@uic.edu) Tuesday, 9:30 AM---Viewing of Orion Nebula Flythrough BRIEFING IN ROOM 19 ---C. Robert O'Dell, Vanderbilt University cro@orion.phy.vanderbilt.edu, 615-343-1779) presents a striking 3-D flythrough animation, produced by the Hayden Planetarium, of the Orion Nebula. (Lay language paper at: http://www.aps.org/meet/APR01/baps/vpr/layw2-001.html) ********** Additional noteworthy talks during the meeting: --Scattering intense beams of polarized electrons from cold liquid hydrogen targets, researchers at Jefferson Lab in Virginia have shown that the distribution of electric charge in the proton differs from the distribution of magnetization in the proton; this helps to rule out certain models of how quarks and gluons interact (paper J8.001) --New observations of the Orion Nebula, a nearby stellar nursery, suggest that the prevalence of stars accompanied by planetary systems may be substantially lower than previously thought because young stars produce strong fluxes of radiation that evaporate protoplanetary disks. (Paper W2.001 on the virtual pressroom.) ####