The writing of the Constitution
I believe we can and I have already (astral projection requires time travel). Science shows time can fold back on itself, so as soon as we can discover a way to view that reality, it will be interesting.
I am no christian fundy, but if it happened at all and it was that good, I would like to hear if the Sermon on the Mount actually occurred. I like listening to gurus when they are competent.
when whoever built the pyramids.
how did they know the complex math of lining them correctly and directional to the sun...
Id go so far back I would see how many times our univers has collapsed and became reborn
Depends. If the amount of mass that caused the explosion in the first place is recollected from the extreme pressures of gravity in a spot like that, it could cause a massive explosion over and over into eternity.