Time might not be
fundamental — an
idea taken seriously
by physicists. What
'emergent time' would
actually mean.

Explain Why Time Might Not Be Fundamental

A serious idea in physics: time as something built, not basic.

Prompt

Explain the idea, taken seriously by some physicists, that time might not be a fundamental feature of reality but something that emerges from more basic physics. Cover what 'emergent time' would actually mean.