Let’s use this talk of a ‘fifth dimension’ for a second time – BGR

• Researchers trying to solve the problem of dark matter have suggested a particle that could move to an unseen fifth dimension.
• The work is completely hypothetical, as it attempts to explain a kind of matter that no one has ever seen using a particle that has never been identified.
• To prove or disprove the theory will probably require new technologies that have yet to be invented.

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If you’re a scientist, you’ve probably heard a lot about dark matter over the last few years. The theory of dark matter is based on the fact that calculations of the motions of galaxies and other features we can see in space do not match what we think we know about the laws of the physical world. So, to better explain why the universe has been playing out since the big bang, there must be a whole lot of matter that we cannot see, or that we simply have not yet identified.

But while the idea of ​​dark matter can answer some questions, it can also pose other problems. If there is so much dark matter in the universe, we should at least be able to see it, but we can not. In the search for an explanation, researchers have begun to form incredible theories, including the possibility that a fifth dimension exists and that our inability to interact with that dimension is the reason we have not yet noticed dark matter. Now a team of scientists has published a paper that assumes the existence of a particle that can serve as a gateway to the unseen dimension.

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Unfortunately, the newspaper led to some pretty wild headlines on the internet. Some outlets have gone so far as to indicate that scientists ‘found’ a gateway to the fifth dimension, when in fact nothing could be further from the truth. However, the work itself is still extremely interesting.

In the paper, which in The European Physical Journal C, the researchers wanted to solve problems related to the abundance of dark matter and particles known as fermions. Fermions are very small – smaller than an atom – and protons and electrons are part of this group. In an attempt to answer the questions they studied, the scientists devised a new physics theory that contained not only the four dimensions we know (three dimensions of space and one dimension of time), but a fifth dimension that a certain type of particle can pass through.

“If this heavy particle exists, it will necessarily connect the visible matter we know and which we have studied in detail with the constituents of the dark matter, assuming that dark matter is composed of fundamental fermions, living in the extra dimension. , ”The scientists said Under. “This is not a far-fetched idea, because we know that ordinary matter of fermions exists and that it is likely to reproduce, if this extra dimension exists.”

While this may not be ‘far-fetched’ for scientists, they also make some assumptions here, such as the existence of the fifth dimension. They also rely on the existing theory of dark matter – that it makes up 85% of our universe and exerts a force on objects in our dimension, but we just can not see it – and the existence of this new theoretical particle that , again, no one has ever seen.

Simply put, there are a whole bunch of questions that need to be answered before we can begin to determine the existence of a fifth dimension, and if one of the theoretical building blocks is not real, the whole building falls apart. Again, the work is interesting, but no, we did not find a fifth dimension and no, there is not a “portal” to it that we actually know about.

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