John S. Bell Famous Quotes
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The facts of physics do not oblige us to accept one philosophy rather than the other...the laws of physics in any one reference frame account for all physical phenomena, including the observations of moving observers. And it is often simplest to work in a single frame, rather than to hurry after each moving object in turn...You can pretend that whatever inertial frame you have chosen is the ether of the 19th century physicists, and in that frame you can confidently apply the ideas of the FitzGerald contraction....It is a great pity that students don't understand this. Very often they are led to believe that Einstein somehow swept away all that went before. This is not true. Much of what went before survived the theory of relativity, with the added freedom that you can choose any inertial frame of reference in which to apply all those ideas.
