Travel
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Skepticism About Tales of Time Travel
May it not be that our inability to leap into the fiftieth century, A.D., seems impossible to us, merely because…
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Spacetime Diagrams, Light Cones, Metrics, and Invariant Intervals
Come back when you know tensor calculus and I’ll explain to you about n-dimensional forces and the warping of world-lines.”…
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Philosophical Implications of the Block Universe
Is the future all settled beforehand, and only waiting to be ‘pushed through’ into our threedimensional ken? Is there no…
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Where Are All the Time Travelers?
If it [time travel] could be done, someone will eventually learn how. If that happens, history would be littered with…
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