Explore Physics

Uncover the fundamental laws that govern our universe, from classical mechanics to quantum theory. Explore the principles that shape our understanding of matter, energy, and the cosmos.

Theories

Can a Laser Spot Sweep Across the Moon Faster Than Light?

July 13, 2026

If you point a laser at the Moon and flick your wrist, the spot can sweep across the lunar surface faster than the speed of light. We compute how fast it actually moves and explain why this does not contradict special relativity.

Read more

Derivation of Gravitational Potential Energy

October 2, 2024

A derivation of gravitational potential energy using Newton's law of universal gravitation. The gravitational force is integrated to obtain the gravitational potential energy between two masses.

Read more

Uniform Linear Motion Equations Deduction

September 27, 2024

This is a proof of the equations of uniform linear motion. We will integrate the acceleration to obtain the velocity and the position of a particle in uniform linear motion.

Read more