F.A.S.T baby vs Two Links Double Pendulum

F.A.S.T baby is a gentle visual app designed for babies and very young children. With a simple tap anywhere on the screen, a newly generated spiral appears instantly. If there is no interaction for a few seconds, the spiral changes automatically, creating a calm and playful visual experience. The app is intentionally simple, focusing on colorful moving spiral patterns that can capture a child’s attention without complicated controls or distractions. Features - Tap anywhere to generate a new spiral - Automatic spiral changes after a short period of inactivity - Simple full-screen experience - Designed for little children Safety Notice Animated spiral patterns may cause discomfort, nausea, or headaches in some individuals. People with epilepsy or sensitivity to flashing or moving visual effects should not use this application. A companion app for adults is also available: F.A.S.T

Two Links brings one of physics' most beautiful chaotic systems to life. Watch a double pendulum swing, twist, and spiral in real-time 3D — then place it on your floor in Augmented Reality and walk around it. Features • Real-time double pendulum physics (RK4 integration) • AR mode — anchor the pendulum on any flat surface • Orbit the 3D scene freely or let it run hands-free • Adjust link length, pivot position, density, and color • Particle trail from the second link tip • Night sky environment with the Moon and Earth • Pause, shuffle, and watch the chaos reset