The Most Inscrutable Puzzle of Time Travel?
By Geoffrey Gorham
Time travel has always drawn philosophers and physicists to the same vertigo-inducing question: not whether it’s possible, but what it would even mean for it to be. We’ve grown familiar with the “grandfather paradox” and the bootstrapping loops that seem to defy common sense—but Geoffrey Gorham, a professor of philosophy at Macalester College, argues that these are the least puzzling aspects of time travel.
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