Ok, I'll admit it, I'm from the future. It took me awhile to learn how to use your primative computing devices, but I did it.
I've come back from the year 2057. I'm a history student at Geraldo Rivera University. The government of Mexico in Washington has asked me to research the origins of the majority party, the Libertarians. I understand that our founder, Bill Mahr, frequented this chat room using the undercover name of "OWK". Have you heard of him?
If the key is a spinning gravitational field, then black holes are the ideal time machines. Unfortunately, since time slows almost to a stop inside the event horizon, no one outside it would ever know the results of the travel. Unless the traveler went back in time and snuck up behind the observer and popped a paper bag!
Check out post #20.