— 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 domain: implements a generic floating-object buoyancy demo with density/size sliders, not the required two-crown (pure gold vs. gilded) Archimedes narrative with a vertical submersion slider, crowns, fall animation, splash, or Heureka moment.
Completely wrong domain: implements a generic floating-object buoyancy demo with density/size sliders, not the required two-crown (pure gold vs. gilded) Archimedes narrative with a vertical submersion slider, crowns, fall animation, splash, or Heureka moment.