Last Updated on September 15, 2023
Many people want to know how to time travel in order to go back or forth in time. But, can you actually do it? And if so, how can you time travel?
Stephen Hawking, the worldwide famous physicist, hosted a party for time travelers in 2009. The thing, however, was that he mailed out the invitations one year after the party took place. With no one showing up to the event.
What Hawking wanted to prove (or test) with this was that time travel is not feasible. And if it were, traveling back in time would be out of the question given that the time machine wouldn’t have yet been built.
But what about traveling into the future? Well, that’s something we need to talk about further since you are interested in learning how to time travel.
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Are There Any Time Travelers?
While you might think that there are no time travelers, if you think about it, we all are. Humans are traveling in time, moving from their present to the future every moment of their lives.
So, in the literal sense, time traveling exists and we are all doing it.
However, when we are talking about traveling to the past or the future at a faster speed that differs from how we are drifting by the current of time as we know it, it is not that simple.
How To Time Travel
So, as we have already said, traveling in the past is not possible. But traveling to the future (with the future having many different faces) is something that can be done.
Here are some ways that you can do it:
Use The Power Of Speed
Going as fast as possible is the simplest and most effective way to time travel into the distant future.
When traveling at rates of speed comparable to the speed of light, time moves slower for you in comparison to the rest of the world. Something that Einstein has supported with his theory of relativity.
This isn’t just a theory or a mental experiment. It has actually been assessed with the use of twin atomic clocks.
To test and prove this theory, one of the clocks was airlifted in a jet plane while the other one remained on our planet’s ground.
The result was that, as expected, the clock that was on the jet ticked slower than the one that was on the ground.
Even so, in the particular instance of the plane, the outcome was not that significant.
However, if you were aboard a space capsule going at 90% of the speed of light, then time would flow about 2.6 times slower than it did on Earth.
And the more intense your travel in time is, the closer you get to achieving speeds as fast as that of light!
Use The Gravitational Pull
Einstein also influenced the gravitational approach to achieving traveling in time.
As shown by the scientist’s theory of relativity, the stronger the gravitational pull you experience is, the slower the time passes.
The power of gravitational forces, for instance, increases as you move closer to the earth’s core. And your feet start moving at a slower pace than your upper body.
This phenomenon has yet again been quantified in 2010 when scientists at the American National Institute of Standards and Technology (NIST) evaluated the discrepancy in ticking rates of a pair of atomic clocks that were kept 33 centimeters apart on two shelves that were placed the one right above the other.
What was noticed was that the clock that was on the top shelf ticked faster than the one on the bottom shelf as it was subjected to a slightly less powerful gravitational pull.
What does this tell us about traveling in time with gravity?
It proves that in order to travel to the distant future, you need to be positioned in a geographic area of extraordinarily powerful gravitational pull, like a black hole.
The closer you reach the event horizon, the slower time starts to move. However, it’s a dangerous game; cross the dividing line and you’ll never be able to come back!
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Use Suspended Animation
A further method of time travel is to slow your sense of time by halting or slowing down your biological functions and resuming them afterward.
Bacteria can survive in suspended animation way longer than we can. Until the favorable environment of temperature, humidity, and nourishment restarts their metabolic functions.
Suspended animation is essentially similar to what several animals like bears do when they hibernate for months in a row. They minimize their bodies’ need for food as well as oxygen.
Even though humans are not inherently capable of suspending their animation, and the advancement of technology has yet to provide us with a way to do so, this is a work in progress that has already seen some positive results.
Use Wormholes
General relativity also supports the concept of using wormholes. This may be capable of bridging speed and distance of a minimum of a billion light years and of numerous periods in time.
Several scientists, along with Stephen Hawking, genuinely think wormholes appear and disappear at the subatomic magnitude, which is much shorter than that of atoms.
The technique is to catch one and pump it up to our own scale. An accomplishment that will necessitate colossal amounts of energy but could theoretically be accomplished.
The Bottom Line
Time traveling is a tricky concept that is not as simple as shown in many movies where people enter a time-traveling machine, press a button, and go back or forward in time.
In this article, we have shared some theories and ways in which you can travel in time. But as you can tell now that you’ve read more about them, they are not something you can try at home!
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