☢ Nuclear Decay
α Alpha
β Beta
γ Gamma
🛡 Shield
▶ Replay
📄
Paper sheets
0 sheets
🔧
Aluminium foil
0 mm
⬛
Lead thickness
0.0 in
♿ Accessibility
♿
Accessibility
✕
🔍 Text Size
Normal
Large
Extra Large
⏱ Animation Speed
Normal
Slow
Very Slow
⏸ Pause Animation
Freeze to study each step
📖 Dyslexia-Friendly Spacing
Wider letter & word spacing
🌈 Colour Mode
Default
High Contrast
Yellow / Black
Colour Blind
🏷 Always Show Labels
Particle names always visible
💡 Reduce Visual Motion
Less flickering & shaking
🔊 Text-to-Speech
Auto Read Phase Labels
Speaks each step aloud
🔊 Read Current Screen
↻ Reset All to Default