Wanna become Doraemon?

Who doesn't like Doraemon rather who complains about Nobita pestering Doraemon on taking him to the past or future using time machine? Isn't time machine and anywhere door our all time favourite? So it's definite that we wanna know how to actually go back in time or travel to future. Hence jump on in this thrilling ride with me (gimme a chance to take you to wonderland but of physics) and get to know more about time travel, amazing stories related to it and *FACTS*.