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Why time only moves forward, and past travel can't happen
Time feels like the most familiar thing in the world, yet it hides one of physics’ hardest questions: why do we only remember ...
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No grandfather paradox: Time travel would erase all memories leaving no trace of your journey
The dream of time travel has fueled stories, films, and scientific debates for generations. The idea that you could step into a machine and reappear in another era has captivated people for as long as ...
Ignorance is bliss A cartoon depicting the differences between 'ignorant' observers of mixing gases in the classical and quantum versions of the Gibbs paradox. (Courtesy: Bethan Morris, PhD student at ...
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