clifford_a-_pickover_surfing_through_hyperspacebookfi-org

62 surfing through hyperspace
Figure 3.7
Perpendicular insect worlds.
You turn up the Porsche's heater. Perhaps both of you should get out
of the car and find out what's happening in the White House. "Sally, in
four dimensions, it is possible to have two 3-D spaces perpendicular to
each other. They would have a plane in common."
"If there were a 3-D space perpendicular to ours, a space with aliens
moving around in it, how would they appear to us? Could we even see
them at all?"
"I am in touch with this other world and will now reveal to you the
answer."
You pull down the sun visor above your seat, revealing a photo of
actress Gillian Anderson.
"What's she doing here?"
"Don't worry. The photo simply conceals a button that will let you
glimpse a plane intersection with a 3-D world perpendicular to ours."
You press on the photo and suddenly a rectangular plane rises up from