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Lawrence M. Krauss citations

Lawrence Maxwell Krauss, né le 27 mai 1954, est un physicien américano-canadien, professeur de physique, fondateur de la School of Earth and Space Exploration, et directeur du Origins Project à l'université d'État de l'Arizona.

Auteur de livres à succès, dont The Physics of Star Trek et A Universe from Nothing, il est un ardent défenseur du scepticisme rationnel, des sciences de l'éducation, et des sciences de la morale.

Il apparaît en 2013 dans le film documentaire Les Incroyants. Wikipedia  

✵ 27. mai 1954
Lawrence M. Krauss photo
Lawrence M. Krauss: 21   citations 0   J'aime

Lawrence M. Krauss: Citations en anglais

“I like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them.”

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Lawrence M. Krauss

Source: A Universe from Nothing: Why There Is Something Rather Than Nothing

“Richard Feynman used to go up to people all the time and he'd say "You won't believe what happened to me today… you won't believe what happened to me" and people would say "What?" and he'd say "Absolutely nothing". Because we humans believe that everything that happens to us is special and significant. And that — and Carl Sagan wrote beautifully about that in The Demon-Haunted World — that is much of the source of religion. Everything that happens is unusual and I expect that the likelihood that Richard and I ever would've met. If you think about all the variables: the probability that we were in the same place at the same time, ate breakfast the same. Whatever. It's zero. Every event that happens has small probability… but it happens and then when it happens; if it's weird, if you dream one million nights and it's nonsense but one night you dream that your friend is gonna break his leg and the next day he breaks his arm… *sound of revelation* So the real thing that physics tell us about the universe is that it's big, rare events happen all the time — including life — and that doesn't mean it's special.”

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Lawrence M. Krauss

"A Universe From Nothing" by Lawrence Krauss, AAI 2009 http://www.youtube.com/watch?v=7ImvlS8PLIo#t=1h03m20s Closing words (01:03:20 - 01:04:30)

“Forget Jesus, the stars died so you could be born.”

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Lawrence M. Krauss

Source: A Universe from Nothing: Why There Is Something Rather Than Nothing

“The universe is the way it is, whether we like
it or not. The existence or nonexistence of a creator is independent
of our desires. A world without God or purpose may seem harsh
or pointless, but that alone doesn ' t require God to actually exist.”

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Lawrence M. Krauss

Source: A Universe from Nothing: Why There Is Something Rather Than Nothing

“every atom in your body came from a star that exploded. and, the atoms in your left hand probably came from a different star than your right hand. it really is the most poetic thing i know about physics: you are all stardust.”

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Lawrence M. Krauss

"A Universe From Nothing" by Lawrence Krauss, AAI 2009 http://www.youtube.com/watch?v=7ImvlS8PLIo#t=16m49s (16:50-17:23)
Contexte: The amazing thing is that every atom in your body came from a star that exploded. And, the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics: You are all stardust. You couldn’t be here if stars hadn’t exploded, because the elements - the carbon, nitrogen, oxygen, iron, all the things that matter for evolution - weren’t created at the beginning of time. They were created in the nuclear furnaces of stars, and the only way they could get into your body is if those stars were kind enough to explode. So, forget Jesus. The stars died so that you could be here today.

“In 5 billion years, the expansion of the universe will have progressed to the point where all other galaxies will have receded beyond detection. Indeed, they will be receding faster than the speed of light, so detection will be impossible. Future civilizations will discover science and all its laws, and never know about other galaxies or the cosmic background radiation. They will inevitably come to the wrong conclusion about the universe……We live in a special time, the only time, where we can observationally verify that we live in a special time.”

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Lawrence M. Krauss

"A Universe From Nothing" by Lawrence Krauss, AAI 2009 http://www.youtube.com/watch?v=7ImvlS8PLIo

“There is a maxim about the universe which I always tell my students: That which is not explicitly forbidden is guaranteed to occur.”

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Lawrence M. Krauss livre The Physics of Star Trek

The Physics of Star Trek, HarperPerennial edition (1996), p. 16.

“My area of research is something that in all fairness has no practical usability whatsoever and the thing is I'm often asked to apologize for that. It is interesting to me that people ask 'what's the point of doing that if it's not useful?' But they never ask that, or do they very rarely ask that about art or literature or music. Those things are not gonna produce a better toaster.”

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Lawrence M. Krauss

Interview with Richard Dawkins (5:12) http://www.youtube.com/watch?v=ZLctxRf7duU

“If you have nothing in quantum mechanics, you will always have something.”

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Lawrence M. Krauss

"A Universe From Nothing" by Lawrence Krauss, AAI 2009 http://www.youtube.com/watch?v=7ImvlS8PLIo

“We only see shadows of reality. We shouldn't expect those shadows to behave sensibly.”

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Lawrence M. Krauss

Source: Paraphrased from a response to an audience questions at FREEOK 2013 Lawrence Krauss The Higgs and the Story of Science https://www.youtube.com/watch?v=3iPZNgzi9Aw

“It is a shame when nonsense can substitute for fact with impunity.”

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Lawrence M. Krauss

In a panel discussion on Real Time with Bill Maher, 02/08/2013

“The other thing people don't realise about science which differentiates it from religion is that, the most exciting thing about being a scientist is not knowing and being wrong. Because that means there is a lot left to learn.”

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Lawrence M. Krauss

Source: "Cosmic Connections" by Lawrence Krauss, 2011 http://www.youtube.com/watch?v=FjAqcV_w3mc (23:22-23:35)

“Now, since the time of Newton there had been a debate about whether light was a wave---that is, a traveling disturbance in some background medium---or a particle, which travels regardless of the presence of a background medium. The observation of Maxwell that electromagnetic waves must exist and that their speed was identical to that of light ended the debate: light was an electromagnetic wave.”

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Lawrence M. Krauss livre The Physics of Star Trek

The Physics of Star Trek, HarperPerennial edition (1996), p. 17.

“Science is empirical: knowing the answer is nothing. Testing your knowledge means everything.”

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Lawrence M. Krauss

"A Universe From Nothing" by Lawrence Krauss, AAI 2009 http://www.youtube.com/watch?v=7ImvlS8PLIo#t=23m40s (23:40-23:48)

“Theorists always know the answer, they just sometimes right.”

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Lawrence M. Krauss

"A Universe From Nothing" by Lawrence Krauss, AAI 2009 http://www.youtube.com/watch?v=7ImvlS8PLIo#t=22m52s (22:52-22:55)

“[W]hy presumes purpose... But what if there isn't purpose? Whenever we say why we really mean how.”

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Lawrence M. Krauss livre A Universe from Nothing

"Lawrence Krauss: A Universe from Nothing" (2031)
Source: 11:05 https://www.youtube.com/watch?v=46sKeycH3bE&t=665s

“[O]ne of the great things about science is it forces us to refine our idea of what's common sense. It forces us to have our beliefs conform to the evidence of reality rather than the other way around. The universe may not be like we'd like it to be, but it doesn't really care.”

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Lawrence M. Krauss livre A Universe from Nothing

"Lawrence Krauss: A Universe from Nothing" (2031)
Source: 7:09 https://www.youtube.com/watch?v=46sKeycH3bE&t=429s

“There's a loophole if you weigh galaxies and clusters because you're weighing the total amount of energy around galaxies. What if there's energy where galaxies aren't? What is where galaxies aren't? Nothing.”

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Lawrence M. Krauss livre A Universe from Nothing

"Lawrence Krauss: A Universe from Nothing" (2031)
Source: 23:32 https://www.youtube.com/watch?v=46sKeycH3bE&t=1412s

“Science simply forces us to revise what is sensible to accommodate the universe, rather than vice versa.”

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Lawrence M. Krauss livre A Universe from Nothing

Source: A Universe from Nothing, Simon & Schuster (2012), p. 151

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