What is time is a long standing question
So is time based on what we perceive it to be, what our body clocks say it is, or what happens around gravity fields like black holes for example?
That is the subject of the quick video. It takes 3 different perspectives on what time is and why.
They look at the body, our mind and space and give a nice summary of each perspective.
Well worth the few minutes it takes to watch and share