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Learn Entanglement Entropy in Quantum Mechanics

Quantum Mechanics(QM) is one of the greatest intellectual achievements in human history. Not only because it describes the world at the microscopic level and in turn, provides us with the technological advancement that we enjoy today, but also because it shows us how little we know about the world we’ve been living in for so…

What are Negative Absolute Temperatures

It’s a famous result in thermodynamics that you can’t reach absolute zero no matter how hard you try. Also, the definition of absolute zero makes it obvious that it’s meaningless to talk about colder temperatures. So, really, what are negative absolute temperatures? Just continue reading because here I’m going to make an attempt in answering…