Chapter 4: The Uncertainty Principle

Footnote: Chapter 4. Mainly talks about Werner Heisenberg’s Uncertainty Principle. Vital principle in modern physics, concept not hard to understand——work of a genius mind.

Footnote: Werner Heisenberg, German physicist, 1901-1976. (Pic: Wikipedia)

Footnote: The Radiation Crisis (1 of the 3 major crisis of modern physics in early 20th century.). Max Planck’s Quanta inspired Heisenburg’s principle.

Footnote: Max Planck, German physicist, 1858-1947. (Pic: Wikipedia)

Footnote: The “principle” of W.H.'s Uncertainty Principle.

Footnote: Pierre Laplace, French scientist, 1749-1827. (Pic: Wikipedia)

Footnote: Parallel universes; U.P. gave birth to quantum mechanics; probability and statistics in U.P…

Footnote: Wave & Particle Duality; integration of gravity and quantum mechanics——next big topic in physics.

Footnote: Figures of this chapter.

Footnote: The famous two-slit experiment. Works for both particles and waves.

Footnote: Different models of the atom.

Footnote: Niels Bohr, Danish scientist, 1885-1962. (Pic: Wikipedia)

Footnote: Bohr’s model of the atom (the wave model). Allowed/Prohibited orbits.

Footnote: Conclusion: Unification of classic theories.