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Who said: “The Columbia is lost; there are no survivors.”
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Home > Category Index for Science Quotations > Category Index H > Category: Hyperbola

Hyperbola Quotes (1 quote)

Toutes les fois que dans une ้quation finale on trouve deux quantit้s inconnues, on a un lieu, l'extr้mit้ de l'une delles d้crivant une ligne droite ou courbe. La ligne droite est simple et unique dans son genre; les esp่ces des courbes sont en nombre ind้fini, cercle, parabole, hyperbole, ellipse, etc.
Whenever two unknown magnitudes appear in a final equation, we have a locus, the extremity of one of the unknown magnitudes describing a straight line or a curve. The straight line is simple and unique; the classes of curves are indefinitely many,circle, parabola, hyperbola, ellipse, etc.
Introduction aux Lieux Plans et Solides (1679) collected in OEuvres de Fermat (1896), Vol. 3, 85. Introduction to Plane and Solid Loci, as translated by Joseph Seidlin in David E. Smith(ed.)A Source Book in Mathematics (1959), 389. Alternate translation using Google Translate: Whenever in a final equation there are two unknown quantities, there is a locus, the end of one of them describing a straight line or curve. The line is simple and unique in its kind, species curves are indefinite in number,circle, parabola, hyperbola, ellipse, etc.
Science quotes on:  |  Circle (110)  |  Curve (49)  |  Describe (128)  |  Ellipse (8)  |  Equation (132)  |  Extremity (7)  |  Final (119)  |  Locus (5)  |  Magnitude (83)  |  Parabola (2)  |  Simple (406)  |  Straight (73)  |  Straight Line (32)  |  Two (937)  |  Unique (67)  |  Unknown (182)  |  Whenever (81)

In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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