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Stephen Hawking, John Preskill and Kip Thorne having a bet on the black hole information paradox
Theorists making bets on the black hole information paradox. Can you recognize them?

An example of scientific controversy

In the article to be dowloaded (see file attached), we present you with some elements on the controversy which has agitated the theorists of black holes for the last 40 years: is information lost for ever in black holes or can it be retrieved once the black hole has fully evaporated?

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This article is from the free online course:

Gravity! The Big Bang, Black Holes and Gravitational Waves

Paris Diderot

Course highlights Get a taste of this course before you join:

  • Galileo and the falling bodies
    Galileo and the falling bodies

    Watch Pierre Binétruy explain how Galileo found the law of free, using a combination of real (inclined plane) and thought experiments (12 minutes)

  • First encounter with relativity
    First encounter with relativity

    Pierre Binétruy focuses on the notion of inertia, measured by mass, frame of reference and Galileo's principle of relativity