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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. Feb 6, 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 is a natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. Matter is generally considered to be anything. Physics the study of matter, motion, energy, and force. Physics is a discipline that appeals to problem solvers who are curious about the world. Physicists work to gain knowledge of the mysteries of the universe—visible matter makes up only about 5 percent of.

Physics is often described as the study of matter and energy. It is concerned with how matter and energy relate to each other, and how they affect each other over time and through space. The Physics Hypertextbook is a reaction to three big problems with textbooks: lack of writer's voice, layouts that reduce readability, and outdated economics.