Cliff Pickover's The Fourth Dimension

Click image to enter the fourth dimension.
Enter if you dare. What would 4D beings look like? Could heaven reside in a fourth spatial dimension just inches away from our 3D world?

My new book on the fourth dimension is Surfing Through Hyperspace: Understanding Higher Universes in Six Easy Lessons at

Click the blinking light for an awe-inspiring, interactive glimpse into a higher universe.

Click the book cover image for more information on the book.

The complete text of the classic inter-dimensional book Flatland is here!

Return to Cliff Pickover's home page which includes computer art, educational puzzles, higher dimensions, fractals, virtual caverns, JAVA/VRML, alien creatures, black hole artwork, and animations.Click here for a complete list of over 20 Cliff Pickover books.