- Math:
- 1D 2D 3D – perimeter, area, volume – x¹ x² x³
- Unit circle + radians + Pi explained (click image to expand)
- Circle-wave relationship (click image to expand)
- Sin & Cos Wave relationship (click image to expand)
- Sin & Cos Wave relationship (click image to expand)
- How a prism works – ROYGBIV (also why the sky is blue and sunset is red-orange–atmospheric light diffusion) (click image to expand)
- How pure-tone harmonics work (i.e. greatest tonal resonance)
- 1D 2D 3D – perimeter, area, volume – x¹ x² x³