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Content: Relativity
Relativity: Readings: Schneider & Arny: Unit 53
Einstein's theory of relativity deals with Newtonian physics when energies or
velocities are near the speed of light. Relativity is usually thought of as
modern physics since it was developed at the start of the 20th century and
could only be tested in the realm available to scientists by high technology. However, relativity primarily completes the revolution that Newton started and
is also highly deterministic as is much of classical physics. In the holistic viewpointof
relativity theory, concepts such as length, mass and time take on a much
more nebulous aspect than they do in the apparently rigid reality of our
everyday world. However, what relativity takes away with one hand, it
gives back in the form of new and truly fundamental constants and
concepts. The theory of relativityis
traditionally broken into two parts, special and general relativity. Special
relativity provides a framework for translating physical events and laws into
forms appropriate for any inertial frame of reference.