Contemporary research in physics can be broadly divided into nuclear and particle physics; condensed matter physics; atomic, molecular, and optical physics; astrophysics; and applied physics.

Physics is concerned with describing the interactions of energy, matter, space, and time, and it is especially interested in what fundamental mechanisms underlie every phenomenon. The concern for …

Jun 4, 2026 · Physics is the branch of science that deals with the structure of matter and how the fundamental constituents of the universe interact. It studies objects ranging from the very small using …

Physics the study of matter, motion, energy, and force.

Lecture 12: Quantum Weirdness: Schrödinger’s Cat, EPR, and Bell’s Theorem From STS.042J: Einstein, Oppenheimer, Feynman: Physics in the 20th Century Format: Online Lecture Video Free

As concerns about climate change grow, researchers from fields ranging from gravitational-wave astronomy to condensed-matter physics are finding unexpected opportunities to contribute to climate …

The Physics Hypertextbook is a reaction to three big problems with textbooks: lack of writer's voice, layouts that reduce readability, and outdated economics.

Our interactive Physics and Chemistry Tutorials are our own free textbooks, written at a high school reading level (and by teachers, not AI), with helpful images, understanding checks, and links to …

The most fascinating physics news. From theoretical physics and quantum mechanics to new particles, general relativity, and emerging theories.

Offered by University of Virginia. An introduction to physics in the context of everyday objects. Enroll for free.