Ever since Einstein took his observers along on moving coordinate axes and left some behind to tell the tale of what happened within the stationary frame of reference, physics has changed in more than one respect. Physical science in general has begun to include research on these persistent observers and performers of experiments themselves. The workings of the human mechanism are currently under intense study by mathematicians and physicists, as well as by researchers in the life sciences.
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© 1949 American Institute of Physics.
1949
American Institute of Physics
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