iPhone app 4DRoom

4DRoom is an extension of the 4Dice app that puts the viewer INSIDE a 3D cube, for analogy-based tutorials,

and then inside an actual 4D hypercubic room to explore 4D space.
Instead of a square wall, as one sees from inside

a 3D die, the center of the view is a cube, one of the

8 cubic walls surrounding the center of a hypercubic

room.

4DRoom also introduces a Virtual Reality feature under the

accelerometer option that lets one rotate the device left and

right in space to substitute for the 4D rotation controlled by

2-finger left-right drag.
This gives a good virtual impression

of actually being inside a 4D room.,

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