The 2, 400 year search for the atom Theresa Doud

View full lesson: How do we know what matter is made of The quest for the atom has been a long one, beginning 2, 400 years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prizewinning scientists. Theresa Doud details the history of atomic theory. Lesson by Theresa Doud, animation by TEDEd.