4D World (IV): Vision of 2D Beings Many literary works have mentioned fictional 2D flat worlds. We'll experience the first-person perspective of flat beings with computers. This is a pre-excercise for the vision of 4D beings. 2020-01-12 4D World Series #Peculiar Imagination
[Minecraft] 2B2T Survival Diary (2): Joining an Organization While scouting at Y=120 in the Nether, I found a mature tunnel network and ran 100k blocks before returning to spawn. I Joined a Chinese group, helped build an llama dupe base, but it was griefed by F 2020-01-03 #Minecraft #2b2t
[Minecraft] 2B2T Survival Diary (1): Escaping Spawn in One Go 2B2T (2b2t.org) is the oldest anarchy server in Minecraft, famous for being unmoderated and chaotic. There are many clickbait titles online that make it sound terrifying: “Veteran player survival rate 2019-11-07 #Minecraft #2b2t
4D Space (X): Knots and Links All knots in 3D can be easily untangled in 4D. There are no knots in 4D. End of article. Of course I wouldn't end this article like that. 2D surfaces (2D ropes?) can form knots! 2019-03-23 4D Space Series #4D #Geometry #Topology
4D World (III): Road and Railway Design The previous article introduced various types of vehicles in the four-dimensional world, all of which can freely drive and steer on three-dimensional ground surfaces. Since four-dimensional space does 2019-01-10 4D World Series #4D #Peculiar Imagination
4D Space (IX): Curved Shapes We will focus on curved surface (cell) in 4D. We'll understand them from new perspectives (thickening, lofting, solids of revolutions). Then some new objects - duocones, Polytwisters, and 4D spirals. 2018-09-02 4D Space Series #4D #Geometry
4D World (II): Road Traffic In the last post I mentioned that 4D urban traffic doesn't need overpasses because the ground is 3D, and traffic flows in two directions only need to follow skew lines. Now let's first study what road 2018-08-16 4D World Series #4D #Peculiar Imagination
4D World (I): Planetary Day-Night and Seasonal Cycles In my previous articles on 4D space, I described a world on a 4D planet. This time, I'll investigate the day-night and seasonal changes produced by a 4D planet's rotation and revolution. The first thi 2018-08-12 4D World Series #Javascript #4D #Geometry