
Living on a flat sheet of paper
Meet the hypercube
The hidden dimensions of physics
Visualizing the invisible
YOUR GOAL
Master of The secret life of the fourth dimension
007skaty Two-Dimensional Space
On a flat paper world, a sphere is just a circle growing and fading away

007skaty Sound waves from above make the sphere's voice seem to come from inside the square, which only sees

007skaty Navigate a flat paper world to discover how 2D characters perceive a higher dimension.
Flatland origins: Edwin Abbott wrote his famous 1884 book 'Flatland' as a mathematical lesson and a sneaky satire mocking Victorian society's strict social classes.
What is the minimum number of dimensions required to have both left-right and forward-backward movement?
If you shine a light on a wireframe 3D cube, what dimension is the shadow it casts on a flat wall?
How would a three-dimensional sphere look to a flat-lander living in a two-dimensional world as it passes through their plane?

