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The International Commission on Radiological Protection has been the unaccustomed target of public criticism for several months. The critics are wrong, but the commission needs to mend its ways.
Successful simulations do not validate the theories from which they spring, but it is remarkable that a numerical simulation of galaxy formation seems to reproduce the observed fractal pattern on the sky.
The whig interpretation of history, which evaluates the past in terms of the present, is derided by the new historians of science. But their own anti-whig interpretation is priggish and fails to appreciate the temporal depth of scientific research.