Physics is the science of matter and its motion, as well as space and time — the science that deals with concepts such as force, energy, mass, and charge. Physics is an experimental science; it is the general analysis of nature, conducted in order to understand how the world around us behaves.

Physics is one of the oldest academic disciplines, having emerged as a modern science in the 17th century, and through its modern subfield of astronomy, it may be the oldest of all. Those who work professionally in the field are known as physicists.

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