clifford_a-_pickover_surfing_through_hyperspacebookfi-org

32 surfing through hyperspace
Figure 2.7 A surgeon with 4-D powers could perform "closed-heart surgery" on a
3-D person; that is, the heart could be removed without even pricking the skin.
(Drawing by Brian Mansfield.)
moving it up into the fourth dimension to get 'around' the wall" (Fig.
2.8).
You nod. "Let's return to the Flatland story. Do you want to know
what happens to the square when the sphere starts talking to him in the
bedroom?"
«C »
Sure.
"Well, naturally the square doesn't believe the sphere is anything more
than a circle that can change size. The square believes that the sphere is
just an ordinary 2-D creature like himself. However, the sphere objects to
this simple characterization":
I am not a plane Figure, but a Solid. You call me a Circle, but in
reality I am not a Circle, but an indefinite number of Circles, of
size varying from a Point to a Circle of thirteen inches in diameter,
one placed on the top of the other. When I cut through your plane
as I am now doing, I make in your plane a section which you, very