Early Beginnings
- 440 BC Democritus speculates about fundamental indivisible particles—calls them "atoms"
- 2nd century BC Kanada theorizes the existence of four kinds of atoms, which could combine to produce diatomic and triatomic molecules.
Read more about this topic: Timeline Of Atomic And Subatomic Physics
Famous quotes containing the words early and/or beginnings:
“I have always had something to live besides a personal life. And I suspected very early that to live merely in an experience of, in an expression of, in a positive delight in the human cliches could be no business of mine.”
—Margaret Anderson (1886–1973)
“The frantic search of five-year-olds for friends can thus be seen to forecast the beginnings of a basic shift in the parent-child relationship, a shift which will occur gradually over many long years, and in which a child needs not only the support of child allies engaged in the same struggle but also the understanding of his parents.”
—Dorothy H. Cohen (20th century)