"500th" Quotes from Famous Books
 ... calculation: A sunbeam one centimeter in section is found in the clear sky of the Alleghany Mountains to bring to the earth in one minute enough heat to warm one gramme of water by 1 deg. C. It would, therefore, if concentrated upon a film of water 1/500th of a millimeter thick, 1 millimeter wide, and 10 millimeters long, raise it 83 1/3 deg. in one second, provided all the heat could be maintained. And since the specific heat of platinum is only 0.0032 a strip of platinum ...
— Scientific American Supplement, No. 303 - October 22, 1881 • Various |
