Frank L. H. Wolfs
Department of
Physics and Astronomy, University of Rochester, Slide 26
Different
observers make different observations.
¥The two observers observe each other and the reports
of their observations differ.
¥The two observers compare notes on experiments they
observe.
¥They conclude that in certain cases, their
observations are the same, while in others they differ.
¥A good example to focus on is the measurement of
the velocity of an object by the two observers.
I am at rest!
He is moving
to the east.
I am at rest!
She is moving
to the west.
