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