Catalog · All editions
The library of the undeniable.
9 Lenses across mathematics, physics, and related sciences. Each one a short proof you can perceive, not a lesson you have to memorize.
MATH-001
Affine Transformation
MATH-002
The Ratio Invariance
MATH-003
Spatial Algebra
MATH-004
Scale Invariance — Near and Far, Unchanging Ratio
MATH-005
Spatial Multiplication
MATH-006
The Dimensional Rupture
MATH-007
Einstein’s Pythagorean Proof — The Shape Password
MATH-008
Cavalieri’s Principle — The Microscopic Nature of Area
MATH-009
Audio Test — Simplest Lens