The video explores how scientific beliefs have evolved, focusing on the Michelson-Morley experiment, which disproved the existence of the aether, a supposed medium for light waves. This led to the development of Einstein's theory of relativity and the concept of wave-particle duality, foundational to quantum mechanics. The video highlights the transition from the aether theory to modern physics, emphasizing the importance of failed experiments in scientific progress.

How did Einstein's theory relate to the findings of the Michelson-Morley experiment?

What concept did the failure of the aether lead to in physics?