3月 11

Four-Dimensional World (Part 6): Newtonian Mechanics

3月 23

Four-Dimensional Space (Part 10): Knots and Links

8月 12

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

6月 29

Some Four-Dimensional Games I've Played

4月 23

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

4月 9

Four-Dimensional Space (Part 2): Hyper-Stereometry