Raghu kalyan

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How Big Can Entanglement Get? - The Nature of Reality — The Nature of Reality | PBS

Our intuition has evolved to deal with the macroscopic world: the world of things you can hold in your hand and see with your naked eyes. But many of …

Quantum Mechanics

How Elon Musk Taught Himself Rocket Science

While it’s certainly impressive that Elon Musk has bachelor’s degrees in physics and economics from the University of Pennsylvania, it’s an absurd …

General Theory of Relativity explained: The beautiful simplicity (and weird time sags) of Einstein's 100-year-old masterpiece

In his youth, Albert Einstein spent a year loafing aimlessly. You don't get anywhere by not "wasting" time – something, unfortunately, which the …

Physics

String Theory: A Brief Overview

General relativity and quantum mechanics take different approaches at looking at how the universe works. Many physicists feel that there must be a …