Search and Discovery
The clock’s strength is in numbers; instead of ticking to the rhythm of a single atom, it synchronizes with thousands of atoms at once.
Sound and heat in the wake of a femtosecond laser pulse can produce a refractive-index gradient that channels subsequent higher-power pulses.
Issues and Events
A bicameral spending agreement should also smooth the upcoming fiscal year 2015 appropriations process.
With the help of techniques first used by particle physicists decades ago, scientists and archivists are preserving our precious aural heritage.