Long, long ago


Let us say our universe is X years old, exact to the very day. What was then there X years and 1 day ago?

Physicists have long hypothesized that time is not linear as it seems to past. Such flexibility must allow the concept of multiple universes existing simultaneously. In one universe, you would find this boring and close the tab, but in other you would go on to read more about it. And in some another, you may die due to a blast in your laptop — Final Destination style.

In this TED video, cosmologist Sean Carroll explores time and universe and ponders why time exists at all.

PS: My favourite cliche is across space and time.

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