Gravitational Time Dilation Calculator Introduction This calculator demonstrates Gravitational Time Dilation, a phenomenon predicted by Albert Einstein's theory of General Relativity. It shows how time passes at different rates for

E=mc² Calculator (Mass-Energy Equivalence) Calculator Instructions Theory & Formulas Mass (m): kg (kilograms) g (grams) mg (milligrams) µg (micrograms) amu (atomic mass units) lb (pounds) oz (ounces) Calculate Energy How

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

Interactive Diffraction Grating Calculator How to Use This Calculator This calculator uses the diffraction grating equation (d sinθ = mλ) to determine parameters related to light diffraction. Select which variable