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False vacuum decay: could the Universe end without warning?

Original: Could false vacuum decay end the Universe without warning? If the Higgs field is metastable, quantum tunneling could in

Physicists are revisiting the idea that the Higgs field may be metastable, meaning the Universe could in principle sit in a false vacuum. Quantum tunneling could spawn a bubble of lower-energy vacuum expanding at near light speed, destroying everything instantly. Scientists stress this is serious theoretical physics, not a forecast of imminent doom, as the discussion gains attention online.

Why now: Resurfaced discussion of the metastable Higgs field and false vacuum decay as a dramatic cosmic doomsday scenario

Higgs fieldfalse vacuum decayUniverse

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Evidence

• Could false vacuum decay end the Universe without warning? If the Higgs field is metastable, quantum tunneling could in principle create a lower-energy vacuum bubble expanding near light speed. It is serious theoretical physics — not a prediction of imminent doom. https://www.… · nexthorizon · 4

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