IN THIS ISSUE: Making Good Use of Synchrotron Radiation: The Role of CHESS at Cornell and as a National Facility /3 Boris W. Batterman ... X-Ray Optics: A Vital Aspect of Work with Synchrotron Radiation /14 Donald H. Bilderback ... Catching the Fast Action: Time Resolution in High-Energy X-Ray Studies /23 Dennis M. Mills ... Surface and Interface Science at CHESS /33 Michael J. Bedzyk ... MacCHESS: Cornell's Physics Center for Biochemists /39 Karl W. Volz, Wilfried Schildkamp, and Keith Moffat ... Winning Team from Out of Town: CHESS Helps Purdue Researchers Solve Cold-Virus Structure /44 Edward Arnold ... Register /50 ... Faculty Publications /60