All Physics, Ephemeris & Geometry Calculators
Access our complete suite of client-side physics tools. Every calculator runs pure, deterministic mathematical models with zero external tracking or latency.
Sky & Solar
3 toolsSunrise, Sunset & Solar Noon Calculator
Calculates high-precision sunrise, sunset, solar noon, and daylight duration using USNO/NOAA spherical ephemeris.
Golden Hour & Blue Hour Photography Calculator
Computes morning and evening golden hour (0° to +6°) and blue hour (-6° to -4°) windows for photographers.
Moon Phase & Lunar Illumination Visualizer
Visualizes real-time lunar phases, age in days, synodic illumination percentage, and SVG phase geometries using Jean Meeus algorithms.
Motion & Mechanics
3 toolsPlanetary Free Fall Time & Impact Velocity Solver
Calculates descent duration and terminal impact speed in vacuum across Earth (9.81 m/s²), Moon (1.62 m/s²), Mars (3.71 m/s²), and Jupiter.
Vehicle Braking & Total Stopping Distance Calculator
Computes driver reaction distance, mechanical braking distance, and total stopping distance on dry, wet, and icy roads.
2D Projectile Trajectory & Parabolic Flight Simulator
Simulates parabolic flight paths, maximum apogee height, flight duration, and horizontal range with interactive canvas trajectory plotting.
Geometry & Proportions
3 toolsGolden Ratio Multi-Tier Scale & Dimension Solver
Generates divine proportion dimensions, major/minor golden partitions, and 5-tier modular typography scales using Phi (1.618033...).
Display & Media Aspect Ratio Dimension Calculator
Calculates proportional pixel heights, total megapixels, and diagonal lengths for 16:9, 4:3, 1:1, 9:16, and cinematic 21:9 displays.
Pythagorean Right Triangle Theorem Solver & Visualizer
Solves unknown sides (hypotenuse c, leg a, leg b), interior angles, area, and perimeter with dynamic interactive SVG triangle diagrams.
Traian Anghel
Physics & Optics SpecialistHigh school physics teacher with 35+ years of pedagogical and laboratory research experience in Braila, Romania. Creator of WaveLab.tools and SkyMotion.tools.
skymotion20-20).Recommended Astronomy Optics & Field Guides
Hand-selected peer-reviewed literature, optical instruments, and mechanics resources verified by physics educator Traian Anghel.
Celestron NexStar 8SE Computerized Telescope
8-inch Schmidt-Cassegrain optics with motorized StarPointer GoTo tracking for deep-sky observation.
Nikon Aculon A211 10x50 Binoculars
Multicoated Aspherical Eco-Glass lenses ideal for stargazing, twilight scanning, and lunar craters.
Turn Left at Orion (5th Edition)
By Guy Consolmagno & Dan M. Davis. The essential field manual for small telescope astronomers.