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This Single Principle Connects Everything From Atoms to Galaxies

on March 23, 2024

Einstein gravity Quantum mechanics universe

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Feynman's Theory of Alternative Histories

Quantum Systems and Alternate Histories Why do Quantum Systems have no Single Past? Richard Feynman once wrote, "I think I can safely say that nobody understands quantum mechanics". Now I know this isn't the best opening line to a post that's about to describe an amazing quantum theory concerning the existence of our universe's history. But consider this: Feynman, who was one of the most brilliant theoretical physicists of our time, showed that quantum particles do not have a single history; instead, it has every possible history associated with them, each with its own definite probability! Of course, it's only natural if you had to read the latter sentence again to completely grasp its meaning. Even Feynman himself was reluctant to accept this weird characteristic of quantum systems. Not only did he mathematically prove that quantum particles have no unique past, but Feynman also theorized something called Sum Over Histories. This in turn resulted in the ...

Black Holes: The Ultimate Lens of the Universe

**Effects of Gravity#2** Decoding the Extreme Light Warp Phenomenon around Black holes Image by AlexAntropov - Pixabay Okay, real talk: black holes are weird. Weird on a lot of levels. They violently curve and twist spacetime, gobble up and spew out matter and deadly radiation, make photons orbit them, and to top all of that, they can literally turn anything near its vicinity into nice lil' spaghetti strands that are basically frozen in time! But one of the most mindblowing (still weird though) features of black holes is their interaction with light itself! From relativistic effects like Doppler beaming to Gravitational Lensing, these gigantic space monsters show up some truly spectacular visuals in space. Just to give you an idea of what we're dealing with, here's another weird fact about black holes - you could actually see the back of your head right in front of you if you look straight ahead through the photon sphere of a black hole! And that is exactly what we'...

The Multiverse Theory - Relevant or hoax?

** Based on Hawking's book, The Grand Design ** What is the Multiverse Theory ? Quantum Superposition and Multiple Universes: Explained The existence of multiple universes or parallel universes is one of the most popular and sought-after theories in the sci-fi world. From the existence of wormholes to bubble universes, this theory has made it to the top of the list of most controversial scientific theories ever developed. But in this post, we're about to discuss its scientific significance with quantum mechanics. The Multiverse concept was officially brought up by Erwin Schrodinger, most famous for his wave function equation of a system, and of course, the famous Schrodinger's Cat thought experiment. According to Schrodinger, the ultimate outcome of an event, until observed, can take up all possible outcomes, and they all happen simultaneously, a phenomenon called Quantum Superposition . The concept of quantum superposition suggests that in the case of the origin of ou...

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