![]() There is, however, an intriguing paradox. Second, it has been enormously successful in giving correct results in practically every situation to which it has been applied. First, it illustrates the essential methodology of physics. The study of quantum mechanics is rewarding for several reasons. It is important to realize that quantum mechanics is a branch of physics and that the business of physics is to describe and account for the way the world-on both the large and the small scale-actually is and not how one imagines it or would like it to be. There is no reason, however, why the behaviour of the atomic world should conform to that of the familiar, large-scale world. Its concepts frequently conflict with common-sense notions derived from observations of the everyday world. The behaviour of matter and radiation on the atomic scale often seems peculiar, and the consequences of quantum theory are accordingly difficult to understand and to believe. These properties include the interactions of the particles with one another and with electromagnetic radiation (i.e., light, X-rays, and gamma rays). It attempts to describe and account for the properties of molecules and atoms and their constituents- electrons, protons, neutrons, and other more esoteric particles such as quarks and gluons. Quantum mechanics, science dealing with the behaviour of matter and light on the atomic and subatomic scale. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! ![]() Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.
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