The Demonstration That No Possible Combination Of Known Substance

HomeFortune CookiesMiscellaneous Collections

The demonstration that no possible combination of known substances, known
forms of machinery and known forms of force, can be united in a practical
machine by which man shall fly long distances through the air, seems to the
writer as complete as it is possible for the demonstration of any physical
fact to be.
-- Simon Newcomb (in 1901)

Related: