String theory requires more than the usual three spatial dimensions and one time dimension; it proposes the existence of extra, curled-up spatial dimensions that are too small to observe directly.elaborate
The grandfather paradox, a classic time travel conundrum, is actually a plot device more than a scientifically sound problem, as it assumes a fixed, linear timeline that might not exist in theoretical models of time travel.
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Quantum entanglement allows two particles to be linked regardless of the distance separating them, meaning a change in one instantly affects the other – even if they're light-years apart.
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