from the ways-to-pick-an-atom dept.
Quantum net for atom angling, an article by Philip Ball online at nature science update (July 30, 2002) describes recently published calculations indicating that "Physicists should be able to land exact numbers of atoms from a quantum cloud." A quantum dot dipped into a Bose-Einstein Condensate for a specified time interval should withdraw one atom from the BEC; for a longer period two atoms, etc.