How to Travel Back in Time

You might be aware that relativity makes it possible to travel forward in time, but going back in time is thought to be impossible due to the light-speed limitation. It has been suggested that to go back in time, we must go faster than the speed of light.

‘t = (1-(v^2/c^2))^.5 * t (1

Equation 1 assumes velocity squared (v^2) is less than or equal to the speed of light squared (c^2). The best we can do here is slow our time (‘t) by flying in our spaceship at a very fast sub-light speed. When we arrive back on earth, earth time (t) will be years ahead of our time (t’). Our grandchildren will be older than we are. The price of a stick of gum will be $1,000.98. We’ve seen the future, but now we want to go back. But not back to the present. A little before that, so we can bet on winning horses and stock investments. How do we do it? We know that gravitational acceleration (g) = Gm/r^2 (G=gravitational constant, m=mass, r=radius), and that v^2 = Gm/r. We can make the following substitution:

‘t = (1-(Gm/rc^2))^.5 * t (2

Equation 2 shows that mass (m) can also slow time (‘t) and take us into the future. But as far as we know, mass (m) has no upper limit like velocity. that means the mass equivalent of velocity (Gm/r) can exceed light speed. We can now travel back in time. All we have to do is fly our spaceship near a massive object that exceeds C^2. You might ask, “If that really works, then where are all the visitors from the future?” Good question! There are a few theories:

1. The visitors from the future are the UFOs. They keep a low profile and avoid contact for fear they could seriously alter the future. If you visit a time before your birth, your mother might fall in love with you instead of your father. You would then vanish because you would not be born. So you don’t make contact. You stay in your flying saucer and do a couple of photo-ops, but no more than that.

2. The visitors from the future disguise themselves as homeless war veterans. No one pays much attention to them, so they don’t alter the future significantly. They are watching us, though. That’s why they stand or sit at crowded street corners and watch us go by. They don’t need to take notes regarding our activities. They have a chip implanted in their brains that record everything they see. When they go back to the future, they upload the data to Facebook.

3. They flew too close to a black hole and were crushed before they could travel back in time.

4. There are no visitors from the future.

Theory number 4 is true if Gm/r has an upper limit of C^2 like V^2 does. That means a black hole’s mass per radius can never be infinite, and, if someone claims it can be, ask, “Where are the visitors from the future?”