Physics
This article is about the field of science. For other uses, see Physics (disambiguation).
Various examples of physical phenomena.
Further information: Outline of physics
Physics (from Ancient Greek: φυσική (ἐπιστήμη) phusikḗ (epistḗmē) “knowledge of nature”, fromφύσις phúsis "nature"[1][2][3]) is thenatural science that involves the study of matter[4] and its motion throughspace and time, along with related concepts such as energy and force.[5]More broadly, it is the general analysis of nature, conducted in order to understand how the universebehaves.[a][6][7]
Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy.[8] Over the last two millennia, physics was a part ofnatural philosophy along withchemistry, certain branches ofmathematics, and biology, but during the Scientific Revolution in the 17th century, the natural sciences emerged as unique research programs in their own right.[b] Physics intersects with many interdisciplinary areas of research, such as biophysics andquantum chemistry, and the boundaries of physics are not rigidly defined. New ideas in physics often explain the fundamental mechanisms of other sciences[6] while opening new avenues of research in areas such asmathematics and philosophy.
Physics also makes significant contributions through advances in newtechnologies that arise from theoretical breakthroughs. For example, advances in the understanding ofelectromagnetism or nuclear physicsled directly to the development of new products that have dramatically transformed modern-day society, such as television, computers, domestic appliances, and nuclear weapons;[6]advances in thermodynamics led to the development of industrialization, and advances in mechanics inspired the development of calculus.
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