4 Greatest Unsolved Mysteries in Physics

Physics: Indeed a fascinating and mysterious subject exists on earth. The inventions, discoveries and experiments have always astonished everyone with the introduction of new concepts. There are many physics concepts which make us irresistible to think twice about it. In 1900, a British physicist Lord Kelvin has stated, “There is nothing new to be discovered in physics now. All that remains is more and more precise measurement.” But within just three decades of his statement, Einstein’s theory of relativity and quantum mechanics transformed the field of science. There are many more questions yet to be answered and till present day no physicist would dare to declare that our knowledge about physics of the universe is close to completion.



Here are some greatest unsolved mysteries in physics,

  1. Why do we need sleep?: We generally consider sleep as a time when the body and mind fail to respond. But the reality is quite different. In reality, sleep is an active period in which body repairs tissues and a lot of important restoration, strengthening and processing occur. Humans spend 1/3 of their life sleeping! Some organisms don’t need to sleep at all, so why do we sleep? Scientists are starting to learn more about why sleep is important, how sleep impacts important things, exactly why this is needed and why our bodies are programmed for such a long period of sleep is still a mystery for all.
  2. Matter and Antimatter: There is a definite difference between the ratios of matter and antimatter. For every type of matter, there exists a corresponding antimatter. Antimatters behave and look just like their corresponding matters, except they have opposite charges. Many theories have been thrown around, for an instance that particle genesis favored one way of creating matter, but nothing conclusive has popped up but the mystery of how matter “won” over antimatter is still a mystery.
  3. Do Parallel Universe really exist?: It is known that spacetime is “curved” but as per astrophysics data, it is “flat” and perhaps this is the reason it is never ending. If this data is true then the region which we see and consider it as the universe is just one patch in an infinitely large multiverse. A multiverse is a cosmos in which there are multiple universes. As per quantum mechanics, the number of possible particle configurations in multiple universes would be limited to 10^10^122 distinct possibilities to be accurate. Therefore, with an infinite number of cosmic patches, the arrangement of particles within them must repeat infinitely many times over. This concludes there are infinitely many parallel universes consisting of cosmic patches exactly the same as ours as well as patches that differ by just one particle’s position, patches that differ by the positions of two particles and so on down to patches that are totally different from ours.
  4. Why does light have a universal speed limit?: The speed of light is expressed as C and it’s value is 3×108. But the question is, why the value is a particular number why not something else. Is it just a random number that was set when the universe came into existence? It is still a mystery for all, and everybody knows our existence is impossible without the measure of time.

 

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