The Interaction of Light With Matter
There are three types of possible interactions between a system of atoms and light that are of interest:
Read more about this topic: Population Inversion
Famous quotes containing the words interaction, light and/or matter:
“The act of putting into your mouth what the earth has grown is perhaps your most direct interaction with the earth.”
—Frances Moore Lappé (b. 1944)
“Such is the role of poetry. It unveils, in the strict sense of the word. It lays bare, under a light which shakes off torpor, the surprising things which surround us and which our senses record mechanically.”
—Jean Cocteau (1889–1963)
“We found it at last, an’ a little shed
Where they shut up the lamb at night.
We looked in an’ seen them huddled thar,
So warm an’ sleepy an’ white;
An’ THAR sot Little Breeches an’ chirped,
As peart as ever you see,
“I wants a chaw of terbacky,
An’ that’s what’s the matter of me.””
—John Milton Hay (1838–1905)