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Time Travel Simulation Resolves 'grandfather Paradox'


Closed timelike curve

Entering a closed timelike curve tomorrow means you could end up at today.

Credit: Dmitry Schidlovsky

On June 28, 2009, the world-famous physicist Stephen Hawking threw a party at the University of Cambridge, complete with balloons, hors d'oeuvres and iced champagne.

From Scientific American
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