Viewpoint: Yes, Bohr's interpretation of the world in light of quantum mechanics was correct, and new applications of his interpretation are being determined with the passage of time.

Viewpoint: No, while the physics community came to accept the arguments of Bohr, some of the questions raised by Einstein remained unsatisfactorily resolved.

One of the great triumphs of human thought was Isaac Newton's formulation of his laws of motion and his law of universal gravitation. These laws laid the foundation for the development of classical mechanics, the branch of physics that...