
Ripple Tank
Change sources and walls in a two-dimensional ripple tank to explore interference, diffraction and refraction.
Waves · Circuits
Creates educational browser simulations of waves, circuits, fields and mathematics.
falstad.com3 selected projects, with credit and a path to the original.

Change sources and walls in a two-dimensional ripple tank to explore interference, diffraction and refraction.

Choose or draw a periodic waveform and compare it with its harmonic approximation.

Switch and edit circuit components while animated colors and dots show voltage and current. JavaScript port by Iain Sharp.
Original publication and update records, plus explicitly labeled repository milestones.
No sourced dates are available for this selection yet. Collection dates do not become launch dates.
Paul Falstad’s educational applet collection visualizes concepts in mathematics, physics and engineering. Most of its original Java applets have JavaScript successors.
Individual tools retain collaborator credits; the circuit simulator’s JavaScript port is credited to Iain Sharp.
This selection connects 3 projects across interactive. Follow the project links for the original experience; use the build log for dated context where evidence is available.
Compiled from public catalog attributions and linked original sources. Descriptions are editorial summaries, not statements made by the creator. This profile has not been claimed or endorsed.
Catalog sources gathered October 23, 2026. Primary-source access varies, particularly on social platforms. This is a selected portfolio, not a lifetime total. Images remain credited to their original creators.