Standing wave simulation with nodes and antinodes (transverse version)

Water wave simulation
(show the circular motion of water molecule)

Refraction simulation
(include the apparent and real depth of refraction)

Concave & convex mirror reflaction simulation
(inlcude concave mirror and convex mirror)

Concave & convex lens iamging simulation.

The vibration of air particles by sound wave
(theoretical situation)

It's a simulation of two sinusoidally moving dots with a phase shift.

Biology simulation: Hardy-Weinberg Principle.