Science: Scientists Watch Electrons Move in Real Time

How can they do this? 0.000000000000000001 of a second laser pulses, of course.

For the first time, scientists have been able to watch electrons move in an atom's outer shell, in a breakthrough with major implications for our understanding of chemical processes.

"(It will) allow us to unravel processes within and among atoms, molecules, and crystals on the electronic timescale."

For more, see For the First Time, Scientists Watch Electrons Move in Real Time by Rebecca Boyle, August 4, 2010, at Popular Science.