Rulers by Père Alex & Marchand de trucsThis classic illusion, made famous by psychologist Joseph Jastrow, is elegantly revisited here by Father Alex. The magician presents two wooden school rulers: one marked in centimeters, the other marked in inches. He explains that the imperial system is decidedly mysterious for a French person and immediately proves it: Placed side by side, 15 cm seem to be equal to 6 inches. By simply reversing the position of the rulers, not only do they visually