[Quick links] [Pause] Did you know that there existed atomic theorists in India more than 2000 years before Dalton and others developed our modern atomic theory?  You may not find their theories as elaborate as the atomic theories of today. But the fact is that they did come up with such a theory thousands of years ago! And without any sophisticated gadgets that we have today. They did not even have an ordinary microscope for that matter. Isn’t that amazing?