Ivy KupecNational Science Foundation Precious Time: The Challenge of Building a Better Atomic Clock Opinion For clocks, precision of one nine-billionth of a second just isn't good enough anymore. Opinion The Slippery Rules of Mudslides Mathematician E. Bruce Pitman researches how mudslides and other debris flows work. By Ivy Kupec Published 7 May 14 Catch the Fever … Particle Fever Particle physics takes center stage in this upcoming documentary. By Ivy Kupec Published 17 March 14
