This time span is so short that, for example, light can travel just a distance equivalent to the diameter of a small atomic nucleus. (sciencedaily.com)
In extreme cases, a single atomic nucleus can possess as much energy as a large hail stone falling on your head. (sciencemag.org)
An ultrafast «electron camera» at the Department of Energy's SLAC National Accelerator Laboratory has made the first direct snapshots of atomic nuclei in molecules that are vibrating within millionths of a billionth of a second after being hit by a laser pulse. (sciencedaily.com)