Wave phenomena, Fourier analysis, and oscillatory motion
24 Apr 2026
Interactive wave equation calculator — adjust frequency and wavelength to see how wave speed changes, with live animation and frequency spectrum.
7 Apr 2026
Build a noisy signal from multiple frequencies, then use the Fast Fourier Transform to recover the original — see denoising in action.
26 Mar 2026
Why an ambulance siren changes pitch — visualize wavefront compression and spectral shifts.
20 Feb 2026
Build complex waveforms from simple sine waves — square, sawtooth, and triangle.
10 Feb 2026
Explore quantum wave packets and the uncertainty principle.
20 Jan 2026
Beautiful parametric curves from perpendicular harmonic oscillations.