What are the “theories of everything” I always hear about (e.g. string theory)? - Reddit
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Physics' holy grail — a single framework unifying all forces — remains elusive, and this explainer breaks down why every candidate theory falls short.
Theory of EverythingString TheoryFalsifiabilityQuantum Gravity
Theory Briefing
- A 'Theory of Everything' must reconcile quantum mechanics and general relativity, two frameworks that currently contradict each other.
- String theory, the most famous candidate, predicts extra dimensions and vibrating strings but has yet to produce a testable prediction.
- The lack of empirical testability raises a philosophical crisis — if a theory can't be falsified, is it even science?