Richard Feynman’s 1959 lecture established that the laws of physics allowed enormous amounts of information to be stored in spaces far smaller than existing technology had ever attempted. That ...

Explore the Ball Up/Down Problem from the Feynman Lectures in this clear and engaging physics lesson! This video explains the underlying principles of motion, forces, and energy transfer step by step, ...

Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. An illustration of a heart shape "Donate to the archive" An illustration of ...

The Nobel Laureate Richard Feynman is easily the best-loved scientist of the late 20th century. Part mentor, part circus ringmaster, he had an enthusiasm for the mysteries of the universe that ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Illustration of a set of real zeros of a graph polynomial (middle) and two Feynman diagrams. Credit: Max Planck Institute for Mathematics in the Sciences How can the behavior of elementary particles ...

Drexel’s Department of Physics hosted its annual Kaczmarczik Lecture and Science Fair on February 27. This year’s Kaczmarczik Lecture was the 24th installment of this signature College of Arts and ...

In the renowned Feynman Lectures on Physics, Richard Feynman stated that if all scientific knowledge were destroyed and only one statement could be passed on to the next generation, he believed it ...

ABSTRACT: The phase of a system of quantum states is calculated as the Selenu’s phase, else as the circulation of the quantum momentum linear connection. The latter is shown to be the quantum ...

Credit: Shengyu Li; GIF by SpaceWeather.com. On an October night in the Sichuan mountains, astrophotographer Shengyu Li set up his camera to record the tranquil beauty of star trails over Mount ...