In this excerpt from "On Time: The Physics That Makes the Universe Tick," author and theoretical physicist Jim Al-Khalili examines the possibility of time starting before the Big Bang, with the cosmological theory of eternal inflation.
Was there a 'before' the Big Bang? Jim Al-Khalili on the mind-bogglingness of time
Live Science - 16 Sep 2026 15:56
In this excerpt from "On Time: The Physics That Makes the Universe Tick," author and theoretical physicist Jim Al-Khalili examines the possibility of time starting before the Big Bang, with the cosmological theory of eternal inflation.
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