Frases de Ernest Rutherford

Ernest Rutherford photo
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Ernest Rutherford

Data de nascimento: 30. Agosto 1871
Data de falecimento: 19. Outubro 1937

Rutherford é redirecionado para esta página. Se procura outros significados de Rutherford, consulte Rutherford .

Ernest Rutherford, o 1º Barão Rutherford de Nelson, OM, PC, PRS , foi um físico e químico neozelandês naturalizado britânico, que se tornou conhecido como o pai da física nuclear. Em um trabalho no começo da carreira, descobriu o conceito de meia-vida radioativa, provou que a radioatividade causa a transmutação de um elemento químico em outro, e também distinguiu e nomeou as radiações alfa e beta. Foi premiado com o Nobel de Química em 1908 "por suas investigações sobre a desintegração dos elementos e a química das substâncias radioativas".Rutherford realizou sua obra mais famosa após ter recebido esse prêmio. Em 1911, ele defendeu que os átomos têm sua carga positiva concentrada em um pequeno núcleo, e, desse modo, criou o modelo atômico de Rutherford, ou modelo planetário do átomo, através de sua descoberta e interpretação da dispersão de Rutherford em seu experimento da folha de ouro. A ele é amplamente creditada a primeira divisão do átomo, em 1917, liderando a primeira experiência de "dividir o núcleo" de uma forma controlada por dois alunos sob sua direção, John Cockcroft e Ernest Walton.Dedicada à sua memória, a Medalha e Prêmio Rutherford foi instituída pelo Conselho da Sociedade de Física em 1939. A primeira palestra ocorreu em 1942. A palestra foi convertida em uma medalha e prêmio em 1965, sendo a primeira Medalha e Prêmio Rutherford concedida no ano seguinte.

Citações Ernest Rutherford

„A ciência divide-se em duas partes: a Física, e a filatelia“

—  Ernest Rutherford

All science is either physics or stamp collecting
Ernest Rutherford, citado em A short history of nearly everything‎ - Página 137, de Bill Bryson - Publicado por Broadway Books, 2003, ISBN 0767908171, 9780767908177 - 544 páginas

„Toda a ciência é física ou coleta de impressões.“

—  Ernest Rutherford

All Science is either physics or stamp collecting
citado em Motion Mountain - The Adventure of Physics‎ - Página 30, de Christoph Schiller, Publicado por Christoph Schiller, 2007, ISBN 3000219463, 9783000219467

„Scientists are not dependent on the ideas of a single man, but on the combined wisdom of thousands“

—  Ernest Rutherford

As quoted in The Birth of a New Physics (1959) by I. Bernard Cohen
Contexto: It is not in the nature of things for any one man to make a sudden violent discovery; science goes step by step, and every man depends on the work of his predecessors. When you hear of a sudden unexpected discovery—a bolt from the blue, as it were—you can always be sure that it has grown up by the influence of one man on another, and it is this mutual influence which makes the enormous possibility of scientific advance. Scientists are not dependent on the ideas of a single man, but on the combined wisdom of thousands of men, all thinking of the same problem, and each doing his little bit to add to the great structure of knowledge which is gradually being erected.

„It was almost as incredible as if you fired a 15-inch shell at a piece of tissue paper and it came back and hit you.“

—  Ernest Rutherford

Discussing the result of an experiment where about 1 out of 8000 alpha particles were scattered backwards when fired at a thin sheet of metal foil, which led to the discovery of the atomic nucleus, as quoted in Rutherford and the Nature of the Atom (1964) by E. N. da C. Andrade, p. 111, and in Nobel Laureates in chemistry, 1901-1992 http://books.google.com/books?id=jEy67gEvIuMC&lpg=PP1&pg=PA57#v=onepage&q&f=false by Laylin K. James, p. 57
Contexto: It was quite the most incredible event that has ever happened to me in my life. It was almost as incredible as if you fired a 15-inch shell at a piece of tissue paper and it came back and hit you.

„When we have found how the nucleus of atoms is built up we shall have found the greatest secret of all — except life.“

—  Ernest Rutherford

As quoted in The Wit and Wisdom of the 20th Century : A Dictionary of Quotations‎ (1987) by Frank S. Pepper, p. 226
Contexto: When we have found how the nucleus of atoms is built up we shall have found the greatest secret of all — except life. We shall have found the basis of everything — of the earth we walk on, of the air we breathe, of the sunshine, of our physical body itself, of everything in the world, however great or however small — except life.

„I was brought up to look at the atom as a nice hard fellow, red or grey in colour, according to taste.“

—  Ernest Rutherford

A. S. Eve, Rutherford (2013)
Contexto: The first point that arises is the atom. I was brought up to look at the atom as a nice hard fellow, red or grey in colour, according to taste. In order to explain the facts, however, the atom cannot be regarded as a sphere of material, but rather as a sort of wave motion of a peculiar kind. The theory of wave-mechanics, however bizarre it may appear... has the astonishing virtue that it works, and works in detail, so that it is now possible to understand and explain things which looked almost impossible in earlier days. One of the problems encountered is the relation between the electron, an atom and the radiation produced by them jointly; the new mechanics states the type of radiation emitted with correct numerical relations. When applied to the periodic table, a competent and laborious mathematician can predict the periodic law from first principles.

„I have broken the machine and touched the ghost of matter.“

—  Ernest Rutherford

As quoted by Richard Reeves, A Force of Nature The Frontier Genius of Ernest Rutherford (2008) citing Ernest Rutherford Atom Man http://www.nzedge.com/ernest-rutherford/

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„We've got no money, so we've got to think.“

—  Ernest Rutherford

As quoted in Quips, Quotes, and Quanta : An Anecdotal History of Physics (2007) by Anton Z. Capri, page 65.
Quoted by Edward Andrade in Rutherford and the Nature of the Atom http://books.google.com/books?id=VVoeXNceuVwC (1964)
Unsourced variant: We didn't have the money, so we had to think.

„All science is either physics or stamp collecting.“

—  Ernest Rutherford

As quoted in Rutherford at Manchester (1962) by J. B. Birks
Unsourced variants:
That which is not measurable is not science. That which is not physics is stamp collecting.
Physics is the only real science. The rest are just stamp collecting.
That which is not measurable is not science. — (which is also attributed to Lord Kelvin)

„An alleged scientific discovery has no merit unless it can be explained to a barmaid.“

—  Ernest Rutherford

As quoted in Einstein: The Man and His Achievement (1973) by G. J. Whitrow, p. 42
Variants:
If you can't explain your physics to a barmaid it is probably not very good physics.
As quoted in Journal of Advertising Research (March-April 1998)
A theory that you can't explain to a bartender is probably no damn good.
As quoted in The Language of God (2006) by Francis Collins, p. 60

„We're like children who always want to take apart watches to see how they work.“

—  Ernest Rutherford

As quoted by Freeman Dyson, "Seeing the Unseen," New York Review of Books (Feb. 24, 2005), quoting Rutherford in the London Daily Herald

„I must confess it was very unexpected and I am very startled at my metamorphosis into a chemist.“

—  Ernest Rutherford

On his 1908 Nobel Prize in chemistry, as quoted in Nobel Laureates and Twentieth-Century Physics http://books.google.com/books?id=UQ3_ZwdrUUwC&lpg=PP1&pg=PA69#v=onepage&q&f=false (2004) by Mauro Dardo, p. 69

„Don't let me catch anyone talking about the Universe in my department.“

—  Ernest Rutherford

As quoted by John Kendrew in "J.D. Bernal and the Origin of Life," BBC Radio Talk (26 July 1968), and in Biographical Encyclopedia of Scientists, Third Edition http://books.google.com/books?id=vqTNfnKJVPAC&lpg=PA663&dq=rutherford%20%22shell%20at%20a%20piece%20of%20tissue%22&pg=PA662#v=onepage&q=rutherford%20%22shell%20at%20a%20piece%20of%20tissue%22&f=false by John Daintith, p. 662

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