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.

Interactive Laser Beam Divergence Calculator How to Use This Calculator This calculator determines the divergence angle, Rayleigh range, and spot size at a distance for a laser beam. Enter the

Ideal Gas Law Calculator PV = nRT Solve for Pressure (P) Solve for Volume (V) Solve for Moles (n) Solve for Temperature (T) Pressure (P) Pascals (Pa) Kilopascals (kPa) Atmospheres

Relativistic Kinetic Energy Calculator Understanding Relativistic Kinetic Energy Classical physics, described by Newton's laws, provides a formula for kinetic energy (KE = 0.5mv2) that works well for objects moving at