Vi Hart: Blog. NUMB3RS Episode 616: Cause and Effect. LARRY (cont'd) At the request of the bride and groom, I will keep my remarks short and non-technical.
As you know, there are four fundamental forces in physics: electromagnetism, strong nuclear interaction, weak nuclear interaction, and gravity. The liquid-drop model in nuclear physics was originally proposed by George Gamow and developed by Hans Bethe and Carl von Weizsäcker in the 1930s. It treats the nucleus as an incompressible fluid of protons and neutrons bound together by the strong nuclear force. It treats the nucleus as an incompressible fluid of protons and neutrons bound together by the strong nuclear force. Hans Rosling.