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Interstellar, ou Interstellaire au Québec, est un film de science-fiction britannico-américain produit, écrit et réalisé par Christopher Nolan, sorti le 5 novembre 2014.
Date de sortie : 5 novembre 2014 (France)
Titre québécois : Interstellaire
L’homme est éternel

Kip Thorne Pasadena, California May 15, 2014

I’ve had a half-century-long career as a scientist. It’s been joyously fun (most of the time), and has given me a powerful perspective on our world and the universe. As a child and later as a teenager, I was motivated to become a scientist by reading science fiction by Isaac Asimov, Robert Heinlein, and others, and popular science books by Asimov and the physicist George Gamow. To them I owe so much. I’ve long wanted to repay that debt by passing their message on to the next generation; by enticing youths and adults alike into the world of science, real science; by explaining to nonscientists how science works, and what great power it brings to us as individuals, to our civilization, and to the human race. Christopher Nolan’s film Interstellar is an ideal messenger for that. I had the great luck (and it was luck) to be involved with Interstellar from its inception. I helped Nolan and others weave real science into the film’s fabric.

Much of Interstellar’s science is at or just beyond today’s frontiers of human understanding. This adds to the film’s mystique, and it gives me an opportunity to explain the differences between firm science, educated guesses, and speculation. It lets me describe how scientists take ideas that begin as speculation, and prove them wrong or transform them into educated guesses or firm science. I do this in two ways: First, I explain what is known today about phenomena seen in the movie (black holes, wormholes, singularities, the fifth dimension, and the like), and I explain how we learned what we know, and how we hope to master the unknown. Second, I interpret, from a scientist’s viewpoint, what we see in Interstellar, much as an art critic or ordinary viewer interprets a Picasso painting. My interpretation is often a description of what I imagine might be going on behind the scenes: the physics of the black hole Gargantua, its singularities, horizon, and visual appearance; how Gargantua’s tidal gravity could generate 4000-foot water waves on Miller’s planet; how the tesseract, an object with four space dimensions, could transport three-dimensional Cooper through the five-dimensional bulk; . . .

Sometimes my interpretation is an extrapolation of Interstellar’s story beyond what we see in the movie; for example, how Professor Brand, long before the movie began, might have discovered the wormhole, via gravitational waves that traveled from a neutron star near Gargantua through the wormhole to Earth. These interpretations, of course, are my own. They are not endorsed by Christopher Nolan any more than an art critic’s interpretations were endorsed by Pablo Picasso. They are my vehicle for describing some wonderful science. Some segments of this book may be rough going. That’s the nature of real science. It requires thought. Sometimes deep thought. But thinking can be rewarding. You can just skip the rough parts, or you can struggle to understand. If your struggle is fruitless, then that’s my fault, not yours, and I apologize. I hope that at least once you find yourself, in the dead of night, half asleep, puzzling over something I have written, as I puzzled at night over questions that Christopher Nolan asked me when he was perfecting his screenplay. And I especially hope that, at least once in the dead of night, as you puzzle, you experience a Eureka moment, as I often did with Nolan’s questions. I’m grateful to Christopher Nolan, Jonathan Nolan, Emma Thomas, Lynda Obst, and Steven Spielberg for welcoming me into Hollywood, and giving me this wonderful opportunity to fulfill my dream, to pass on to the next generation my message of the beauty, the fascination, and the power of science.

Thorne, Kip (2014-11-07). The Science of Interstellar. W. W. Norton & Company.


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