Professor Kokichi Sugihara creates his mind-blowing illusions with mathRion NakayaApril 25, 2018September 21, 2023
Quirkology’s 10 Amazing Optical Illusions (and how to make them)Rion NakayaSeptember 29, 2015May 25, 2023
Kokichi Sugihara’s Impossible Rooftop & Folding Ladder IllusionsRion NakayaNovember 26, 2014November 15, 2018
How to draw a Penrose Rectangle and other impossible objectsRion NakayaSeptember 26, 2013September 21, 2023
