“Quantum mechanics is the Disney World for adults!”

— Jan Zaanen

Real men do GR! <br class="br">in Eminent Talent: 2006 - The twelfth year, a festive edition celebrating 10 years Spinoza Prize. http://www.nwo.nl/nwohome.nsf/pages/NWOA_6WAGZJ_Eng

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Jan Zaanen1

Dutch physicist 1957

Hugh Everett (1930–1982) American physicist, author of the many-worlds interpretation of quantum mechanics

http://space.mit.edu/home/tegmark/everett/.

“Considering the pervasive importance of quantum mechanics in modern physics, it is odd how rarely one hears of efforts to test quantum mechanics experimentally with high precision.…The trouble is that it is very difficult to find any logically consistent generalization of quantum mechanics. One obvious target for generalization is the linearity of quantum mechanics, but if we arbitrarily add nonlinear terms to the Schrodinger equation, how do we know that the theory we obtain will have a sensible physical interpretation? At least in part, it is the dearth of generalized versions of quantum mechanics that has made it so hard to plan experimental tests of quantum mechanics.”

Steven Weinberg (1933) American theoretical physicist

"Testing Quantum Mechanics" http://www.sciencedirect.com/science/article/pii/0003491689902765, Annals of Physics (1989)

“What're quantum mechanics?"

"I don't know. People who repair quantums, I suppose.”

Terry Pratchett book Eric

Source: Eric

“Weinberg says that "we want to know what's happening out there". But this is just the standard anti-quantum zealots' misunderstanding of the essence of quantum mechanics. Quantum mechanics says that all knowable things about the physical system must be obtained through a measurement whose outcomes are predicted via the Born rule. There is nothing else happening out there, at least nothing else knowable that is happening out there! So quantum mechanics does answer the question what is happening out there and the claim that quantum mechanics is incomplete in this sense is simply a lie.”

Luboš Motl (1973) Czech physicist and translator

https://motls.blogspot.com/2018/09/a-recent-dissatisfied-weinbergs-talk-on.html <br class="br"> The Reference Frame http://motls.blogspot.com/

“People get a lot of confusion, because they keep trying to think of quantum mechanics as classical mechanics”

Sidney Coleman (1937–2007) American physicist

Quantum Mechanics in Your Face http://www.physics.harvard.edu/about/video.html, a lecture given by Sidney Coleman at the New England sectional meeting of the American Physical Society (Apr. 9, 1994)

“Certainly we do not need quantum mechanics for macroscopic objects, which are well described by classical physics – this is the reason why quantum mechanics seems so foreign to our everyday existence.”

Alain Aspect (1947) French physicist

"Introduction: John Bell and the second quantum revolution" (2004)

“The most efficient and practical interpretation of quantum mechanics is… no interpretation at all.”

F. J. Duarte (1954) Chilean-American physicist

in [Quantum Optics for Engineers, CRC, New York, 2013, 978-1439888537, F. J. Duarte]

“It seems clear that the present quantum mechanics is not in its final form.”

Paul Dirac (1902–1984) theoretical physicist

"The Early Years of Relativity" in Albert Einstein : Historical and Cultural Perspectives : The Centennial Symposium in Jerusalem (1979) edited by Gerald James Holton and Yehuda Elkana, p. 85
Context: It seems clear that the present quantum mechanics is not in its final form. Some further changes will be needed, just about as drastic as the changes made in passing from Bohr's orbit theory to quantum mechanics. Some day a new quantum mechanics, a relativistic one, will be discovered, in which we will not have these infinities occurring at all. It might very well be that the new quantum mechanics will have determinism in the way that Einstein wanted.

“Theoretical physicists live in a classical world, looking out into a quantum-mechanical world. The latter we describe only subjectively, in terms of procedures and results in our classical domain.”

John S. Bell Introduction to the hidden-variable question

"Introduction to the hidden-variable question" (1971), included in Speakable and Unspeakable in Quantum Mechanics (1987), p. 29

“The doctrine that the world is made up of objects whose existence is independent of human consciousness turns out to be in conflict with quantum mechanics and with facts established by experiment.”

Bernard d'Espagnat (1921–2015) French physicist and philosopher

in The Quantum Theory and Reality, by [Bernard d'Espagnat, Scientific American, November, 1979, 158] http://www.sciam.com/media/pdf/197911_0158.pdf

“Quantum mechanics is the Disney World for adults!”

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Jan Zaanen1

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