Rebound Quotes (3 quotes)
Mariotte took everything from me, … as can attest those of the Academy, M. du Hamel, M. Gallois, and the registers. [He took] the machine, the experiment on the rebound of glass balls, the experiment of one or more balls pushed together against of line of equal balls, the theorems that I had published. He should have mentioned me. I told him that one day, and he could not respond.
Written in a sketch of an introduction to a treatise on impact never completed. As quoted in Charles Coulston Gillespie (ed.), Michael S. Mahoney, 'Marriote, Edme', Dictionary of Scientific Biogrgaphy (1974), Vol. 9, 115, citing Christiaan Huygens, 'De moto corporum ex percussione', collected in Oeuvers, Vol. 16, (1929), 209. The theorems were given parenthetically as in Philisophical Transactions (1668) and Journal des Sçavans (1669). Through correspondence, Huygens and Mariotte knew of each others’ work. Huygens felt slighted that Mariotte gave no mention of him as a source in a paper written by Mariotte on the same subject. Whether actual plagiarism or merely oversight remains open.
See with what force yon river’s crystal stream
Resists the weight of many a massy beam.
To sink the wood the more we vainly toil,
The higher it rebounds, with swift recoil.
Yet that the beam would of itself ascend
No man will rashly venture to contend.
Thus too the flame has weight, though highly rare,
Nor mounts but when compelled by heavier air.
De Rerum Natura, second book, as quoted in translation in Thomas Young, A Course of Lectures on Natural Philosophy and the Mechanical Arts (1845), 12.
There is no failure for the man who realizes his power, who never knows when he is beaten; there is no failure for the determined endeavor; the unconquerable will. There is no failure for the man who gets up every time he falls, who rebounds like a rubber ball, who persist when everyone else gives up, who pushes on when everyone else turns back.
…...
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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