Scale Analysis VS Magnitude Comparisons

There are some subtle facts about scale analysis that make it more powerful than simply comparing orders of magnitude. A most remarkable example is that scale analysis can be applied, through a systematic use of dimensions, even when the precise equations governing the dynamics of a system are not known. The great physicist G. I. Taylor, a character whose prolific legacy haunts any aspiring scientist, gave a famous demonstration of this deceptively simple approach. In the 1950s, back when the...

 Suburbs are the Result of Fear of Nuclear War

The Federal Civil Defense Administration determined that the country that would win a nuclear war was the one best prepared to survive the initial attack. Achieving this required a homeland mobilization on an unprecedented scale, and our children needed to know what to do when nuclear war came. They commissioned a nine-minute film called Duck and Cover that showed Bert the turtle pulling into his shell to survive a nuclear explosion that burns everything else. The film exhorted millions of sc...

 Scientists Work on the Faith that Knowledge is a Good Thing

But when you come right down to it, the reason that we did this job is because it was an organic necessity. If you are a scientist you cannot stop such a thing. If you are a scientist you believe that it is good to find out how the world works; that it is good to find out what the realities are; that it is good to turn over to mankind at large the greatest possible power to control the world and to deal with it according to its lights and values.