radioactivity

  • Rogue states can no longer hide their stores of weapons-grade plutonium

    May 21, 2012
    Physicists have discovered a method of tracking the radioactivity of plutonium, in terms of its location and quantity. Scientists at the Los Alamos National Laboratory are now able to determine how much plutonium was originally in a particular location. The practical applications of this new technique are staggering; for...