## The Metric Tensor: A Complete Guide With Examples

If you’ve looked into general relativity or differential geometry, you might have…

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## The Metric Tensor: A Complete Guide With Examples

## Noether’s Theorem: A Complete Guide With Examples

## Calculus of Variations For Dummies: An Intuitive Introduction

## The Friedmann Equations Explained: A Complete Guide

## Lagrangian vs Hamiltonian Mechanics: The Key Differences & Advantages

## Are Maxwell’s Equations Relativistic? (Simple Explanation & Proof)

## Why Do Hot Things Glow? An In-Depth Explanation

## Why Is Momentum Conserved But Kinetic Energy Is Not? (with examples!)

## Why Do Electrons Not Fall Into The Nucleus? (or can they?)

## Did The Big Bang Happen Everywhere At Once? The Physics Explained

If you’ve looked into general relativity or differential geometry, you might have…

Noether’s theorem, named after the German mathematician Emmy Noether, is often said…

Most people have heard of basic calculus and know about its applications…

Fewer than 10 years after Einstein’s derivation of his famous field equations,…

Classical mechanics describes everything around us from cars and planes even to…

Electromagnetism is one of the cornerstones of modern physics, taking its place…

When we warn people not to touch an object that’s really hot,…

Intuitively, momentum and kinetic energy are both about speed and how much…

If electrons are negatively charged and the nuclei in atoms are positively…

Physicists often think that our universe came about from something known as…