Chemistry & Physics. Chemistry 301: The Development of the Atomic Theory. Season 1 Episode 301 | 21m 19s. The terms theory and model are defined, and students learn how a theory remains valid.

The ancient thinker Democritus is considered by many to be the father of modern science and is known for his theory that everything is made of atoms.

Democritus most likely built his theory of atoms upon the work of past philosophers, according to Andrew G. Van Melsen, ... Several other scientists furthered the atomic model, ...

It is a story of how ideas changed about the nature of the atom. These are the notes (and diagrams) I use when I teach the atomic nature of matter to non-science majors. The best thing about this ...

Opinion - The atomic theory was and is one of the greatest contributions of the Greek philosophers. Let us read to find out what contributions were added to it's development by Islam.

Editor’s Note: Professor WERNER HEISENBERG, who was born in Duisburg in 1901, was awarded the Nobel Prize in Physics in 1932 for his work on the quantum theory. A member of the faculty of the ...

The ancient Greek philosopher Democritus theorized the existence of atoms by wondering what would happen if you cut an apple into smaller and smaller pieces until you reached a point where the ...

Visual metaphors are often essential in science when you can't see what you're studying. The English chemist John Dalton, born 250 years ago, illustrated his atomic theory using wooden spheres ...