# physics  ## Metadata - Author: [[Richard Tilghman Weidner]] - Full Title: physics - Category: #articles - Summary: Physics is the science of matter, motion, and energy. It studies forces and fields in nature on different scales. Physics includes classical mechanics and modern developments like quantum mechanics. - URL: https://www.britannica.com/science/physics-science ## Highlights - Physics can, at base, be defined as the science of [matter](https://www.britannica.com/science/matter), [motion](https://www.britannica.com/science/motion-mechanics), and [energy](https://www.britannica.com/science/energy). ([View Highlight](https://read.readwise.io/read/01j0m5rjk0msdsc49scvpk601n)) - Both experiment, the observation of phenomena under conditions that are controlled as precisely as possible, and theory, the formulation of a unified [conceptual](https://www.merriam-webster.com/dictionary/conceptual) framework, play essential and complementary roles in the advancement of physics. ([View Highlight](https://read.readwise.io/read/01j0m5rxc6ws57cgkvb87s2hty)) - The ultimate aim of physics is to find a unified set of laws governing matter, motion, and energy at small (microscopic) subatomic distances, at the human (macroscopic) scale of everyday life, and out to the largest distances (e.g., those on the extragalactic scale). ([View Highlight](https://read.readwise.io/read/01j0m5ssfr6ge2gmxjk1hpvfb7))