Key questions in particle physics about the properties of elementary particles and the composition of the universe are expected to be answered by future international experiments. REVEALING THE HIDDEN NATURE OF SPACE AND TIME: CHARTING THE COURSE FOR ELEMENTARY PARTICLE PHYSICS, new from the National Academies' National Research Council, examines the future role of the United States in this research and the investments required to help our nation lead efforts in the field. The report will be released at a one-hour public briefing on Wednesday, April 26.
2:30 p.m. EDT in Room 100 of the National Academies' Keck Center, 500 Fifth St., N.W., Washington, D.C. Reporters who cannot attend may listen to a live audio webcast of the briefing and submit questions using an e-mail form at http://national-academies.org.
REPORTERS: OBTAIN COPIES OR REGISTER TO ATTEND by contacting the Office of News and Public Information at tel. 202-334-2138 or e-mail <firstname.lastname@example.org>. Advance copies of the report will be available to reporters only beginning at noon EDT on Tuesday, April 25. THE REPORT IS EMBARGOED AND NOT FOR PUBLIC RELEASE BEFORE 2:30 P.M. EDT ON WEDNESDAY, APRIL 26.