Cornell University

Richard P. Feynman·Cornell University

Richard Feynman's final Messenger Lecture, reflecting on the scientific process itself—the interplay between theoretical models, empirical predictions, and the role of observation in validating knowledge.

Richard P. Feynman·Cornell University

Richard Feynman introduces the revolutionary quantum mechanical perspective, grappling with the concepts of probability and inherent uncertainty at the fundamental scale of reality.

Richard P. Feynman·Cornell University

Richard Feynman's second Messenger Lecture at Cornell, exploring the intricate and often surprising relationship between mathematical structures and their application in physical theory.

Richard P. Feynman·Cornell University

Richard Feynman discusses the foundational conservation principles in physics—energy, momentum, and angular momentum—highlighting their profound implications for understanding natural phenomena.

Richard P. Feynman·Cornell University

Richard Feynman presents the ubiquitous role of symmetry in shaping physical laws, revealing how principles of invariance underlie the structure and behavior of the universe.

Richard P. Feynman·Cornell University

Richard Feynman's iconic first lecture from the 1964 Cornell Messenger Lectures, elucidating the fundamental principles and historical development of Newton's law of universal gravitation.