— Two crowns — Same mass, different density — Vertical slider — Slider works — Slider controls crowns — Slider direction correct — Full slider range — Fall animation ✓ Water displacement ✓ Rising water level — Splash effects — Physics correct — Live mass value ✓ Live volume value — Live density value ✓ Live displaced water — Gilded displaces more — Heureka animation ✓ No external deps ✓ Light bg / dark text ✓ Self-contained HTML
Completely wrong concept — implements a generic cube/sphere/cylinder Archimedes demo with button controls instead of the two-crown (pure gold vs. gilded) vertical-slider Heureka visualization requested; no slider, no crowns, no mass/density values, no Heureka animation.
Completely wrong concept — implements a generic cube/sphere/cylinder Archimedes demo with button controls instead of the two-crown (pure gold vs. gilded) vertical-slider Heureka visualization requested; no slider, no crowns, no mass/density values, no Heureka animation.