Laser Brightness (Irradiance) Calculator Calculator Instructions Theory & Formulas Laser Power (P): mW (milliwatts) W (watts) Initial Beam Diameter at Aperture (D₀): Enter diameter in millimeters (mm). Full Angle Beam

Time Dilation Calculator (Special Relativity) The Phenomenon of Time Dilation Time Dilation is a consequence of Albert Einstein's Special Theory of Relativity. It states that time passes differently for observers

Advanced Interactive Ohm's Law Calculator Theory & Formulas: Ohm's Law Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the

Interactive Brewster's Angle Calculator How to Use This Calculator This calculator determines Brewster's angle (θB), the angle of incidence at which light with a particular polarization is perfectly transmitted through