Physics and Mathematics
As a whole, physics is closely related to mathematics, for it provides the logical structure in which physical laws may be formulated and their predictions quantified. A great many of physics' definitions, models, and theories are expressed using mathematical symbols and formulas.
The central difference between physics and mathematics is that ultimately physics is concerned with descriptions of the material world whereas mathematics is focused on abstract logical patterns that may extend beyond the real world.
Because physics concentrates on the material world, it tests its theories through the process known as observation or experimentation. In theory, it may seem relatively easier to detect where physics leaves off and mathematics picks up. However, in reality, such a clean-cut distinction does not always exist. Hence, the gray areas in between physics and mathematics tend be called "mathematical physics."
Both engineering and technology also have ties to physics. For instance, electrical engineering studies the practical application of electromagnetism. That is why you will quite often find physics to be a component in the building of bridges, or in the creation of electronic equipment, nuclear weaponry, lasers, barometers, and other valuable measurement devices.
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