Sean Carroll on the arrow of time.
” Time is one of the most elusive mysteries of the universe. No one knows what time really is. Time passes slowly within objects moving at speeds close to that of light and stops al together at the speed of light. ” – A. Einstein
” Time has a direction, it always moves towards the future. We see rain falling from the sky, objects breaking up, people getting older, and people dying. We do not see a glass becoming “unbroken” or anyone returning from the dead. That could happen only if time ran backwards. Some physicists like Michael Berry, Thomas Gold, and Steven Hawking have proposed that time may reverse when the universe begins to contract. It means that one day the universe will start contracting and this will coincide with beginning of the Day of Judgment when all life will be recreated with the reversal of time.
“… physicists believe the separation between past, present, and future is only an illusion, although a convincing one.” – A. Einstein
” That the past, present, and future all exist simultaneously. ”
My studies indicate that past and future are identical. What we have 100 years ago, or an hour, thought of as the future is now past. In addition, all biological beings from birth to the future move toward the origin of the species, according to a new beginning of a new being. This clearly shows that the time in biology reversible, but it is a necessary perception pf two polar beings. Everything in the universe is moving toward its Origin regardless of whether it is a rabbit, buffalo, apes, man, mankind, stars, galaxies or the universe.
Congratulations for getting the lip synchronisation correct for at least the last third of the clip. If ever a topic cried out for some decent animation it is this one. Talking head just won’t do. On a more serious note, not every physicist agrees that time is a reality. Some believe it is purely a construct of human consciousness and neither is motion a reality. It would be interesting to hear further comments on this.
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