Did The Big Bang Happen Everywhere At Once? The Physics Explained
Physicists often think that our universe came about from something known as…
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How Gravity Affects Photons & Light: A Complete Physics Guide
We know that photons have no mass and we like to think…
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How To Learn Vector Calculus: A Step-By-Step Guide
In my opinion, if there is one area of mathematics you should…
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Einstein Field Equations: A Step-By-Step Derivation (Two Methods)
In this article, we’ll derive the Einstein field equations with all calculations…
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Why Do Moving Charges Create a Magnetic Field? The Physics Explained
When I first learned electromagnetism, I was taught that magnetic fields are…
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Constraints In Lagrangian Mechanics: A Complete Guide With Examples
In Lagrangian mechanics, while constraints are often not necessary, they may sometimes…
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Generalized Coordinates: Everything You Need To Know (with examples)
Generalized coordinates are one of the key reasons why other formulations of…
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Gradient In Different Coordinates (Intuition & Step-By-Step Examples)
The gradient is one of the most important differential operators often used…
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Legendre Transformations For Dummies: Intuition & Examples
If you’ve studied thermodynamics or Hamiltonian mechanics, you’ve probably encountered the Legendre…
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Physics Study Tips: 9 Unconventional & Practical Hacks
Studying physics is not easy. However, it’s not as difficult either as…