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Home > Category Index for Science Quotations > Category Index B > Category: Brine

Brine Quotes (3 quotes)

Salt water when it turns into vapour becomes sweet, and the vapour does not form salt water when it condenses again. This I know by experiment. The same thing is true in every case of the kind: wine and all fluids that evaporate and condense back into a liquid state become water. They all are water modified by a certain admixture, the nature of which determines their flavour.
[Aristotle describing his distillation experiment.]
Aristotle
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (classics.mit.edu).
Science quotes on:  |  Admixture (2)  |  Back (395)  |  Become (821)  |  Certain (557)  |  Condensation (12)  |  Desalination (4)  |  Determine (152)  |  Distillation (11)  |  Evaporation (7)  |  Experiment (736)  |  Fluid (54)  |  Form (976)  |  Kind (564)  |  Know (1538)  |  Liquid (50)  |  Nature (2017)  |  Salt (48)  |  Solution (282)  |  State (505)  |  Sweet (40)  |  Thing (1914)  |  Turn (454)  |  Vapour (16)  |  Water (503)  |  Wine (39)

There is more evidence to prove that saltiness [of the sea] is due to the admixture of some substance ... It is this stuff which makes salt water heavy (it weighs more than fresh water) and thick. The difference in consistency is such that ships with the same cargo very nearly sink in a river when they are quite fit to navigate in the sea. This circumstance has before now caused loss to shippers freighting their ships in a river. That the thicker consistency is due to an admixture of something is proved by the fact that if you make strong brine by the admixture of salt, eggs, even when they are full, float in it. It almost becomes like mud; such a quantity of earthy matter is there in the sea.
[Aristotle recognised the different density of fresh (river) or salty (sea) water. He describes an experiment using an egg (which sinks in fresh water) that floats in a strong brine solution.]
Aristotle
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (classics.mit.edu).
Science quotes on:  |  Admixture (2)  |  Become (821)  |  Buoyancy (7)  |  Cargo (6)  |  Circumstance (139)  |  Consistency (31)  |  Density (25)  |  Describe (132)  |  Difference (355)  |  Different (595)  |  Due (143)  |  Egg (71)  |  Evidence (267)  |  Experiment (736)  |  Fact (1257)  |  Fit (139)  |  Float (31)  |  Fresh (69)  |  Loss (117)  |  Matter (821)  |  More (2558)  |  Mud (26)  |  Navigate (4)  |  Navigation (26)  |  Nearly (137)  |  Prove (261)  |  Quantity (136)  |  River (140)  |  Salt (48)  |  Sea (326)  |  Ship (69)  |  Sink (38)  |  Sinking (6)  |  Solution (282)  |  Something (718)  |  Strong (182)  |  Substance (253)  |  Water (503)  |  Weigh (51)

There is more evidence to prove that saltness [of the sea] is due to the admixture of some substance, besides that which we have adduced. Make a vessel of wax and put it in the sea, fastening its mouth in such a way as to prevent any water getting in. Then the water that percolates through the wax sides of the vessel is sweet, the earthy stuff, the admixture of which makes the water salt, being separated off as it were by a filter.
[This is an example of Aristotle giving proof by experiment, in this case, of desalination by osmosis.]
Aristotle
Meteorology (350 B.C.), Book II, translated by E. W. Webster. Internet Classics Archive, (classics.mit.edu).
Science quotes on:  |  Being (1276)  |  Desalination (4)  |  Due (143)  |  Evidence (267)  |  Experiment (736)  |  Fastening (2)  |  Filter (10)  |  More (2558)  |  Mouth (54)  |  Osmosis (3)  |  Prevent (98)  |  Proof (304)  |  Prove (261)  |  Salt (48)  |  Sea (326)  |  Side (236)  |  Substance (253)  |  Sweet (40)  |  Through (846)  |  Vessel (63)  |  Water (503)  |  Wax (13)  |  Way (1214)


Carl Sagan Thumbnail 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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