Length Contraction Calculator Introduction to Length Contraction Length Contraction is a phenomenon predicted by Albert Einstein's Special Theory of Relativity. It describes how the length of an object, when measured

Electron Speed Calculator Classical vs. Relativistic Speeds from Kinetic Energy Introduction This calculator determines the speed of an electron given its kinetic energy (KE). It provides results from two perspectives:

Momentum Calculator p = m × v Solve for Momentum (p) Solve for Mass (m) Solve for Velocity (v) Momentum (p) kg·m/s Mass (m) kilogram (kg) gram (g) pound (lb)

Interactive Angular Resolution Calculator How to Use This Calculator This calculator determines the angular resolution of an optical instrument (like a telescope or an eye) based on the Rayleigh Criterion.