Inhabitants of a place We can easily move in the three-dimensional universe we know.: height (or length), width, and depth. In our daily lives, we move up and down, right and left, and back and forth. We also know and interact with lower dimensions, such as the two-dimensional universe of squares and circles, or one-dimensional creatures like straight lines.
What about higher dimensions? In a new article published in Popular Mechanics, writer Manasee Wagh teases out the fourth dimension, a complex concept that could enable us to exist in physics and mathematics. AndUnderstanding proposals in quantum physics called string theory.
To illustrate the possibilities of dimensional shift, Wagh quotes Flatland: An Adventure in Many Dimensions, a satirical book written by London educator Edwin A. Abbott in 1884. In the plot, the protagonist Quadrado lives in a two-dimensional world and A sphere is an entity from a three-dimensional world, This opens his colleague’s perspective on the plane to a world he had never imagined before.
What if there were aliens in the fourth dimension?
Perhaps Abbott’s book continues to fascinate us because it brings together two concepts that have intrigued humanity for thousands of years and have never been proven: the existence of higher dimensions and, even more fascinatingly, inhabited by beings that we can never theoretically perceive.Unless a Sphere or a Pyramid comes to visit us.
In any case, if we want to move to a higher dimension, in practice, we first need to make a right angle with the previous figure in the following way: lift the line to the second dimension, cover the line to reach the third dimension, and repeat the same movement to reach the fourth dimension. In other words, make an angle, but with the cube would now become a “hypercube” or tesseract, like we see in some movies.
In a strictly geometric sense, the fourth dimension is a space perpendicular to the cube, but that concept isn’t very useful. In the video above, science communicator Toby Hendy illustrates how we would see fourth-dimensional extraterrestrials if they entered our three-dimensional world.
Seeing aliens from the fourth dimension
In the video on the Tibess YouTube channel, Hendy explains: “Well, It depends on which part of the 4D object passes through our 3D space.“. When we try to catch a four-dimensional ball of wool that has passed into our dimension, all we see is a small sphere, which the presenter says is “because this slice is near the edge of the 4D ball.”
The ball grows as it moves towards us; but if it leaves our plane of existence, apparently shrinks and disappears. The same thing happened with Mr. Square in Flatland. When the sphere entered its 2D dimension, he visualized it as a circle (the diameter of the body of the sphere); this circle materialized, then shrank until it returned to its 3D dimension, which the Square could not see.
Those seeking an immersive experience in four-dimensional worlds can try two video games that use the “slicing” technique to represent a 4D world in 3D: the puzzle game Miegakure and 4D Miner, a survival and construction game inspired by Minecraft, which also includes the inclusion of a fourth spatial dimension.
How do aliens from the fourth dimension see us?
Just as we can see an entire frame from above, a 4D being could theoretically see the outside and inside of 3D objects, which in our case includes our internal organs, skeletons, and every cell of our being, all at the same time. And worst of all, if they were examining us right now, we wouldn’t even notice.
Who knows, maybe that’s the reason. Many UFO sightings have disappeared?Could aliens be four-dimensional beings who are hiding their slices from us?
Logically, all of these analogies are just hypothetical examples for us to try to understand higher dimensions, even if they are limited to our 3D experience. In theoretical physics, the idea of extra dimensions is explored in string theory, which is perhaps the best way to explain how the smallest particles in the Universe behave. Physicists accept the possibility that up to 11 dimensions exist.
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Source: Tec Mundo
I’m Blaine Morgan, an experienced journalist and writer with over 8 years of experience in the tech industry. My expertise lies in writing about technology news and trends, covering everything from cutting-edge gadgets to emerging software developments. I’ve written for several leading publications including Gadget Onus where I am an author.
