Right-Hand Rule

Right-Hand Rule

(alt-text)

To really expand your mind try some noncartesian porn. Edwin Abbot Abbott has nothing on 'Girls on Girls in Tightly Closed Nonorientable Spaces'.

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—coming from November 2024. Preorder here!