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Who said: “Environmental extremists ... wouldn’t let you build a house unless it looked like a bird’s nest.”
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Home > Category Index for Science Quotations > Category Index C > Category: Convert

Convert Quotes (13 quotes)

Facts are a heap of bricks and timber. It is only a successful theory that can convert the heap into a stately mansion
Epigraph in Isaac Asimov’s Book of Science and Nature Quotations (1988), 324.
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Food is at present obtained almost entirely from the energy of the sunlight. The radiation from the sun produces from the carbonic acid in the air more or less complicated carbon compounds which serve us in plants and vegetables. We use the latent chemical energy of these to keep our bodies warm, we convert it into muscular effort. We employ it in the complicated process of digestion to repair and replace the wasted cells of our bodies. … If the gigantic sources of power become available, food would be produced without recourse to sunlight. Vast cellars, in which artificial radiation is generated, may replace the cornfields and potato patches of the world.
From 'Fifty Years Hence', Strand Magazine (Dec 1931). Reprinted in Popular Mechanics (Mar 1932), 57, No. 3, 396-397.
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If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors into ridiculous conclusions.
Feynman Lectures on Gravitation, edited by Brian Hatfield (2002), 21.
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It [the Euglena] is a perfect laboratory in itself, and it will act and react upon the water and the matters contained therein; converting them into new compounds resembling its own substance, and at the same time giving up portions of its own substance which have become effete.
From Address (22 Jul 1854) delivered at St. Martin’s Hall, published as a pamphlet (1854), 8, and collected in 'Educational Value of Natural History Sciences', Lay Sermons, Addresses, and Reviews (1870), 75.
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Most manufacturers take resources out of the ground and convert them to products that are designed to be thrown away or incinerated within months. We call these “cradle to grave” product flows. Our answer to that is “cradle to cradle” design. Everything is reused—either returned to the soil as nontoxic “biological nutrients” that will biodegrade safely, or returned to industry as “technical nutrients” that can be infinitely recycled.
In interview article, 'Designing For The Future', Newsweek (15 May 2005).
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Sea water is rendered potable by evaporation; wine and other liquids can be submitted to the same process, for, after having been converted into vapours, they can be condensed back into liquids.
Aristotle
In Meteorology (c. 350 B.C.), Book 2, 2. Translation as shown in Joseph William Mellor, A Comprehensive Treatise on Inorganic and Theoretical Chemistry (1922), Vol. 1, 37.
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Something to remember. If you have remembered every word in this article, your memory will have recorded about 150 000 bits of information. Thus, the order in your brain will have increased by about 150 000 units. However, while you have been reading the article, you will have converted about 300 000 joules of ordered energy, in the form of food, into disordered energy, in the form of heat which you lose to the air around you by convection and sweat. This will increase the disorder of the Universe by about 3 x 1024 units, about 20 million million million times the increase in order because you remember my article.
An afterword to his three-page article discussing thermodynamics and entropy, in 'The Direction of Time', New Scientist (9 Jul 1987), 49.
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Suppose an individual believes something with his whole heart; suppose further that he has a commitment to this belief and he has taken irrevocable actions because of it; finally, suppose that he is presented with evidence, unequivocal and undeniable evidence, that his belief is wrong: what will happen? The individual will frequently emerge, not only unshaken, but even more convinced of the truth of his beliefs than ever before. Indeed, he may even show a new fervor for convincing and converting other people to his view.
In When Prophecy Fails (1956), 3.
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Talent accumulates knowledge, and has it packed up in the memory; genius assimilates it with its own substance, grows with every new accession, and converts knowledge into power.
In 'Genius', Wellman’s Miscellany (Dec 1871), 4, No. 6, 203.
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The one who stays in my mind as the ideal man of science is, not Huxley or Tyndall, Hooker or Lubbock, still less my friend, philosopher and guide Herbert Spencer, but Francis Galton, whom I used to observe and listen to—I regret to add, without the least reciprocity—with rapt attention. Even to-day. I can conjure up, from memory’s misty deep, that tall figure with its attitude of perfect physical and mental poise; the clean-shaven face, the thin, compressed mouth with its enigmatical smile; the long upper lip and firm chin, and, as if presiding over the whole personality of the man, the prominent dark eyebrows from beneath which gleamed, with penetrating humour, contemplative grey eyes. Fascinating to me was Francis Galton’s all-embracing but apparently impersonal beneficence. But, to a recent and enthusiastic convert to the scientific method, the most relevant of Galton’s many gifts was the unique contribution of three separate and distinct processes of the intellect; a continuous curiosity about, and rapid apprehension of individual facts, whether common or uncommon; the faculty for ingenious trains of reasoning; and, more admirable than either of these, because the talent was wholly beyond my reach, the capacity for correcting and verifying his own hypotheses, by the statistical handling of masses of data, whether collected by himself or supplied by other students of the problem.
In My Apprenticeship (1926), 134-135.
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The succession of individuals, connected by reproduction and belonging to a species, makes it possible for the specific form itself to last for ages. In the end, however, the species is temporary; it has no “eternal life.” After existing for a certain period, it either dies or is converted by modification into other forms.
As translated by Joseph McCabe in Haeckel's The Wonders of Life: a Popular Study of Biological Philosophy (1904), 248.
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The world looks so different after learning science. For example, trees are made of air, primarily. When they are burned, they go back to air, and in the flaming heat is released the flaming heat of the sun which was bound in to convert the air into tree, and in the ash is the small remnant of the part which did not come from air, that came from the solid earth, instead. These are beautiful things, and the content of science is wonderfully full of them. They are very inspiring, and they can be used to inspire others.
From address (1966) at the 14th Annual Convention of the National Science Teachers Association, New York City, printed in 'What is science?', The Physics Teacher (1969), 7, No. 6, 320.
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Thou canst not make water flow uphill but by expenditure of greater force than draws it down. The spirit of fire can do this,—converting it to steam. Spiritualise water, and it ascends in spite of itself.
In Sir William Withey Gull and Theodore Dyke Acland (ed.), A Collection of the Published Writings of William Withey Gull (1896), lxv.
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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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