The seven follies of science; to which is added a small budget of interesting paradoxes, illusions, marvels, and popular fallacies. A popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. With numerous illustrations (1912)
Phin, John, 1830-1913 · New York, D. Van Nostrand company · leaf 37
ow in use. When we have the length of the circumference and thelength of the diameter, we can describe a square which 24 THE SEVEN FOLLIES OF SCIENCE shall be equal to the area of the circle. The foUowmg isthe method: Draw a line ACB, Fig. 3, equal to half the circumferenceand half the diameter… … then be constructed in the usual manner. The explanationof this is that CD is a mean proportional between ACand CB. De Morgan says : The following method of finding thecircumference of a circle (taken from a paper by Mr, S.Drach in the Philosophical Magazine, January, 1863,Suppl), is as accurate as…
Scientific recreations · Geometry
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