2020

3月 11

Four-Dimensional World (Part 6): Newtonian Mechanics

2018

8月 12

Four-Dimensional World (Part 1): Planetary Day-Night and Seasonal Cycles

2016

4月 23

Four-Dimensional Space (Part 6): More Geometric Shapes [Part 2]

4月 16

Four-Dimensional Space (Part 4): Fibers and Hyperspheres