The Bending of Starlight as Predicted by Einstein

Light falls in a gravitational field, for instance, a laser beam fired horizontally across a room will be closer to the ground on the side where it hits the far wall than it was when it left the laser. Likewise, … Read More

Bohr’s Original Quantum Theory of Spectra

Regarded as one of the greatest discoveries, Niels Bohr’s original quantum theory of spectra was one of the most revolutionary and successful theory of atomic dynamics.

Both Thomson and Rutherford recognized that the electrons must revolve about the nucleus in … Read More