But time is not constant. It is a construct that we (humans) use to help chart our "special" moments of existence. There are numerous examples of tribes of people that do not have words for "past" "present" and "future"...
Further proof that Einstien kicked behind (if any was ever needed
)
That said, if it
was possible (which I believe that it is fundamentally not,) I would
love to go play around in medieval times.... The early Chinese dynasties would be my second choice, or Rennaisance, Europe...