Calculated as if the density were the same as in a normal state, the thickness of the film is found to be about two millionths of a millimetre.

millionths of a gram are enough to affect a human being.

millionths of a meter) in diameter.

Just a few millionths of a gram are enough to affect a human being.

This " optical molasses " can slow millions of atoms to temperatures just millionths of a degree above absolute zero.

Calculated as if the density were the same as in a normal state, the thickness of the film is found to be about two millionths of a millimetre.