Travelling Through Time

A longtime longing

Humans have long longed to visit past eras and future events, to see what life is like in different times and maybe chang a thing or two. Many humans have also claimed that they accidentally slipped through the cracks of time and got to meet people of the past and the future. Other's have claimed to have built time machines and managed to travel that way. Many governments have tried to figure out how to travel through time as well as how to control time. The Nazis for example claimed to have built a time machine namned "Die Glocke". It was an alleged top-secret scientific technological device developed in the 1940s in Nazi Germany. It is claimed to have been about 12 ft (4 m) high and 9 ft (3 m) high and bell-shaped. Besides Nazi- Germany, the CIA has also shown high interest in the alleged ability to time travel as well as finding ways to do so.

The CIA Gateway Experience

The concept of the Gateway Experience is originally created by Robert Monroe in the 1970's who studied the effects of certain sound patterns on human consciousness. He claimed that his experiments with brain hemisphere synchronization led to out-of-body experiences and among those: mental time travelling. 

In 1983, the CIA asked U.S. Army Lt. Col. Wayne M. McDonnell to use Monroes theories in order to figure out possibilities for people to travel through time and  commune with other-dimensional beings. This mission turned into the Gateway Experience that got declassified in 2003. This experiment gives a glims into the intense effort the CIA put into creating a scientific instruction and technical assistance for their subjects to use in order to time travel. However, their efforts was never for ordinary people to visit their dead grandmother and share a fond memory, but for their agents to access secrets in order to weaponize them as well as destroy countries on their "bitch-list".

Of course.

If the CIA ever managed to do some time-travel, we might never know. They may well have erased that from world history. It's not like they are going to brag about it. 

Different scientific theories 

In difference to sci-fi novels, movies and conspiracy-theories, scientists have long pondered upon the concept of time travelling.  Albert Einstein is one of them and he created the theory off general relativity, which many traditional scientists still rely on to this day. 

Some solutions to Einstein's theory of general relativity suggests that motion in space and time might allow time travel. This is based on the idea of time as an illusion that moves relative to an observer, a.k.a not a fancy flash to a certain point in time, but mere a different experience of an event that differs from another person, depending on their relative speed at that same event. The theory describes the universe as under a system of fields that determine the distance- function of spacetime. There are equations that include closed time-like curves which are lines that intersect themselves. Some lines point in the causal future and others the causal past, hence a situation that technically can be described as time travel. 

Another theory is the Primordial wormhole-theory. It suggests that wormholes could work as viable space-time shortcut. It was described by physicist Pascal Koiran who used the Eddington-Finkelstein metric (have no fudging clue what that is), which theoretically allowed a hypothetical particle to be traced through a hypothetical wormhole. A wormhole in itself is a hypothetical structure that hypothetically connects disparate points in spacetime and is often visualized as a tunnel with two ends at separate points in spacetime, like different locations or different points in time. Wormholes are not proven though, even though they are a nice idea. 

Quantum mechanics may have some answers

Quantum mechanics is a part of science that describes the very, very small, like particles smaller than atoms, such as electrons and photons. On these subatomic scales, physics operates in ways that is different that what humans first imagined. Like, many other things.

One peculiar observation that has emerged from the study of the quantum realm is something called Non-locality. This means that a change in a particle's state in location A, instantaneously influence another "entangled" particle in location B. This possibility makes a lot of  physicists unhappy since the effect of instantaneous non-location, where the information conveys from place A to place B at faster than the speed of light, is supposed to be impossible, but it's not.

Another quantum-theory is the Many-Worlds Theory that suggests that all possible quantum events that has ever occurred and can ever occur do so in mutually exclusive histories. This creates variations of different universes that also allow those universes to interact with each other. Hence a person might accidentally get a glimpse of a parallel world and therefor believe they have travelled through time, when they're actually just experiencing another universe. 

Physicist Stephen Hawking however claimed that time travel is not possible, and never will be. If that was the case, we would already be invaded by hordes of tourists from the future. 

Regardless if time travel is possible or not, it's a fascinating idea that brings out curiosity in people and sparks imagination to life. There is a possibility that some people actually have slipped through to other universes and/or have travelled through time. We might never now for sure. But we do know for sure that many people fabricate stories about it, for various reasons (like fame, attention or money). Some people believe in time travelling others don't. Some find them interesting others find them unrealistic. 

I personally like the idea of many-worlds-theory and the concept of us all just co-existing simultaneously in different pockets. It feels most accurate. Then again, I'm not a scientist nor a physicist and hence can't prove anything in this matter.

However, it's not said that it has to be a scientist or a physicist that proves time travels, sometimes the most accurate information is to be found among the many stories our ancestors collected and passed down to the next generation. Most of what scientists today "discovers" regardless of its nature, is just "re-discovers" that ancient people already knew about. 

If time-travel is real, I'd love to try it. First thing on my list would be to travel back in time and prevent my neighbour from ever moving in. She's a menace and the worst neighbour to have.