Simulations & Interactive Learning
Live
- Projectile playground — angle & speed sliders,
overlaid trajectories, the parabola of safety
- Oscillator lab — mass–spring with damping and driving; watch the
resonance curve respond
- Wave studio — superpose two waves: standing waves, beats,
cancellation
- Collision lab — 1-D collisions with adjustable elasticity;
live momentum & energy bars
- Orbit sandbox — a symplectic two-body integrator; all
three of Kepler's laws measured rather than assumed, plus vis-viva checked continuously