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HOW TO LOVE PHYSICS
Physics, science that deals
with the structure of matter and the interactions between the fundamental constituents of
the observable
universe. In the broadest sense, physics (from the Greek physikos) is
concerned with all aspects of nature on both the macroscopic and submicroscopic
levels. Its scope of study encompasses not
only the behaviour of objects under the action of given forces but also the
nature and origin of gravitational, electromagnetic, and nuclear force fields.
Its ultimate objective is the formulation of a few comprehensive principles
that bring together and explain all such disparate phenomena.
Physics is one of the
oldest academic disciplines and, through its
inclusion of astronomy, perhaps the oldest. Over
much of the past two millennia, physics, chemistry, biology, and
certain branches of mathematics were a part of natural philosophy, but during the Scientific Revolution in the 17th
century these natural sciences emerged as unique research endeavors in their
own right. Physics
intersects with many interdisciplinary areas of research, such
as biophysics and quantum
chemistry, and the boundaries of physics are not rigidly defined. New ideas
in physics often explain the fundamental mechanisms studied by other sciences and
suggest new avenues of research in these and other academic disciplines such as
mathematics and philosophy.
Advances in physics often
enable new technologies. For example, advances in the understanding
of electromagnetism, solid-state physics, and nuclear
physics led directly to the development of new products that have
dramatically transformed modern-day society, such as television,
computers, domestic appliances, and nuclear
weapons; advances
in thermodynamics led to the development of
industrialisation; and advances in mechanics inspired
the development of calculus.
Studying
for a BS in Physics gives a broad overview of the most well-established of
these models, such as classical mechanics, thermodynamics, electromagnetism,
and quantum mechanics, as well as the computational and experimental skills
used in working with them. With this background you are ready to specialise in
any sub-field, such as those described briefly below.