[0:20:01 - 0:20:09] Edwin Abbott wrote about a 3D society interacting with a 2D plane in his late 19th century classic, Flatland.

[1:50:21 - 1:50:27] called flatland by Sir Ed Witton that's super classic in the late 19th century where it's like if

[1:50:27 - 1:50:34] you were a 3d person speaking to a people in flatland on a 2d plane or you know Plato's cave like