Physics
Explore physics principles through interactive simulations
103 visualizations
Binary Phase Diagram - Interactive Visualization
Interactive visualization of binary phase diagrams with T-x (temperature-composition) plots - Explore liquidus and solidus curves, eutectic points and reactions, lever rule calculations for phase fractions (w₁·l₁ = w₂·l₂), three system types (eutectic, solid solution, peritectic), cooling path tracking, microstructure evolution showing primary solid phases and eutectic lamellar structures, phase region identification with color-coded areas, and adjustable parameters including melting points, eutectic temperature and composition
Vapor Pressure Curve - Interactive Visualization
Interactive visualization of vapor pressure and Clausius-Clapeyron equation - Explore ln(P) = -ΔHvap/(R·T) + C, P-T graphs showing exponential pressure increase with temperature, semi-log plots (ln P vs 1/T) as straight lines, boiling point determination at P = 1 atm, comparison between multiple substances (water, ethanol, benzene, diethyl ether) with different ΔHvap values, liquid-vapor equilibrium molecular animation showing evaporation and condensation dynamics, and adjustable parameters including enthalpy of vaporization, temperature range, and custom substance creation
Convex Lens Imaging - Interactive Visualization
Interactive visualization of convex lens imaging and ray tracing - Explore lens formula 1/f = 1/u + 1/v, magnification M = hᵢ/h₀ = -v/u, three principal rays (parallel ray through focus, central ray undeviated, focal ray parallel), image formation rules for different object positions (beyond 2f: diminished real image, at 2f: same size real, between f and 2f: magnified real, at f: no image, within f: magnified virtual), real-time ray tracing diagrams with adjustable focal length f, object distance u, and object height h₀. Features dynamic visualization of real vs virtual images, inverted vs erect orientation, magnification calculations, principal axis, focal points F and F', optical center O, and practical applications including cameras, projectors, magnifying glasses, human eye, microscopes, and telescopes. Multi-language support (zh, en, de, fr, es, pt, ru)
Newton's Law of Cooling - Interactive Visualization
Interactive visualization of Newton's Law of Cooling - Explore temperature decay T(t) = T_env + (T_0 - T_env)·e^(-kt), cooling constant k = h·A/(m·c), time constant τ = 1/k, exponential decay curves, thermal equilibrium, real-time temperature vs time graphs, coffee cup/object visualization with heat particle animation, cooling rate dT/dt = -k(T - T_env), and practical applications including beverage cooling, body temperature, forensic time of death estimation, with adjustable parameters for initial temperature T_0, environment temperature T_env, cooling constant k, and animation speed. Multi-language support (zh, en, de, fr, es, pt, ru)
Cooling Curve - Interactive Visualization
Interactive visualization of cooling curves with phase transitions - Explore Newton's Law of Cooling (dT/dt = -k(T - T_env)), phase transition plateaus during solidification, supercooling phenomena, crystallization animation, comparison between pure substances (single plateau) and mixtures/alloys (multiple plateaus or gradual cooling), and temperature vs time curves with adjustable parameters including initial temperature, environment temperature, cooling coefficient, composition, and supercooling degree
Water Phase Diagram - Interactive Visualization
Interactive visualization of water phase diagram - Explore P-T diagram showing three phases (solid ice, liquid water, gas steam) with phase boundaries, triple point (273.16K, 611.657Pa), critical point (647.096K, 22.064MPa), Clapeyron equation (dP/dT = ΔH/(T·ΔV)), molecular animation showing phase behavior, phase transition curves (melting, vaporization, sublimation), unique properties of water including negative slope of melting curve due to ice being less dense than liquid water, and adjustable temperature (-50°C to 400°C) and pressure (0.001 to 250 atm) with special point navigation and animated transition paths
Lissajous Figures - 简谐运动合成
Interactive visualization of Lissajous figures and harmonic motion synthesis - Explore parametric equations x = A₁sin(ω₁t + δ) and y = A₂sin(ω₂t), frequency ratio effects (ω₁:ω₂), phase difference influence (δ: 0-360°), amplitude modulation (A₁, A₂), oscilloscope X-Y mode display, real-time pattern tracing with adjustable trail length, preset patterns (circle 1:1, figure-8 1:2, complex 2:3, 3:4), and pattern recognition (line, circle, ellipse, complex curves). Features adjustable parameters for frequency X (1-10 Hz), frequency Y (1-10 Hz), amplitude X (50-200), amplitude Y (50-200), phase difference δ (0-360°), animation speed (0.1-3.0x), and trail length (10-500 points). Real-time displays: frequency ratio (simplified form), phase difference in degrees, and pattern type detection. Visual elements: dark oscilloscope-style canvas with grid and axes, colored gradient trail showing path history, glowing current point marker, and smooth parametric curve animation. Educational content covering Lissajous figure theory, harmonic motion principles, frequency ratio and pattern complexity relationship, phase difference effects on pattern morphology, oscilloscope applications in signal comparison, vibration analysis, acoustics, and electronics, and mathematical beauty of parametric equations. Multi-language support (zh, en, fr, de, es, pt, ru).