# Stacking and crushing

- Author:
- Vincent Pantaloni

- Topic:
- Area, Conic Sections, Geometry

You see figures being crushed while preserving their area. Hyperbolas are involved. The two initial squares are in the golden ratio for this to work. One is a unit square while the other has a side of length phi=(1+sqrt(5))/2. See Edmund Harriss's video below for the context.