Could Time Travel be Possible?

Have you ever dreamed about time traveling? Zooming through the fabric of time and space itself? Many people have wondered if time traveling really exists, or if it’s even possible. This idea or theory takes place in many movies, such as, ‘Back To The Future,’ and continues to be a concept that many are still curious about. 

Let’s start with the basics. Time can speed up or slow down, depending on the circumstances. When you’re farther from the Earth’s center of mass, time begins to slow down, while time on Earth is faster. Time will also pass slower if you are located in or near an intense gravitational field. For example, since your feet are closer to the Earth than your head, your head ages, “faster.” Time passes more slowly if you travel at the speed of light, but the effects won’t be significant if you’re not close enough to that speed. For example, if one twin stayed on Earth, and the other traveled in space at the speed of light, the one stabled on Earth would be significantly older than the other. The astronaut will age slower than the other who is secure on Earth. Two twins, twins Scott and Mark Kelly, tested this theory out for real, though they never got near the right speed, the speed of light, to reach their goal. These effects take place in our world, but they are too small to be noticed, and they do affect our satellites. The clocks in space click a lot slower than the clocks on Earth.

It is possible to time travel to the future, though not like how movies make it seem. In order for this to happen though, you must be close enough to the speed of light or be in a very strong gravitational field for a certain amount of time. While you’re spending a short amount of time, Earth will be experiencing decades. Going back in time, on the other hand, is much, much harder, likely not even possible. Many scientists have theories that they come up with to try and find new ideas for how traveling through the past would be possible. One of these is wormholes. These, in theory, would act like a piece of paper, and be folding space and time itself, while a hole is punched through the center, creating a shortcut between two massively separated points, according to, “Is Time Traveling Really Possible?” by Michael Marshall. These are theoretically possible. But, we don’t have any evidence that wormholes actually exist. They would have an intense gravitational field and be incredibly short lived. These, if they exist, would also be microscopically small. So, you wouldn’t be able to fit a person, or even something bacterial!

Although all of these problems seem impossible, there is one unlikely solution that we know of so far, which is negative energy. In order to create something like a wormhole, we’d need a gigantic amount of it, more than is probably possible to generate, even in space. This negative energy must also be expanded in order to achieve this goal, but scientists don’t even believe this is possible. And, even if we did accomplish this idea, it is still scientifically accurate that there are real world consequences from time travel. But this doesn’t mean that we’ll never achieve  it.

So can time travel really become reality? Well, not entirely. Though traveling to the future is somewhat a possibility, traveling back to the past is basically impossible. Scientists have been working hard to try and find a possible route towards time travel, and continue to test many theories, which are still incomplete. So what if time travel were real? Would we ruin history, or would we spoil the future? Would it be a disaster, or would it be one of the greatest achievements scientists have ever made? What do you think?