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Galileo Galilei -
Plane
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I mentally conceive of some moveable [sphere] projected on a horizontal plane, all impediments being put aside. Now it is evident... that equable motion on this plane would be perpetual if the plane were of infinite extent, but if we assume it to be ended, and [situated] on high, the movable, driven to the end of this plane and going on further, adds on to its previous equable and indelible motion, that downward tendency which it has from its heaviness. Thus, there emerges a certain motion, compounded...
Galileo Galilei
Quote of the day
Men were only made into "men" with great difficulty even in primitive society: the male is not naturally "a man" any more than the woman. He has to be propped up into that position with some ingenuity, and is always likely to collapse.
Wyndham Lewis
Galileo Galilei
Creative Commons
Born:
February 15, 1564
Died:
January 8, 1642
(aged 77)
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