Directory Sites

  • Fourth Dimension: Tetraspace

    A discussion of rotation, levitation, wheels, and bodies of water. Classification of "rotatopes" (cubes, spheres, and cylinders), and a Java applet to visualize projections and intersections of the shapes. Includes book reviews, a glossary, links, and a forum.

    tetraspace.alkaline.org

  • Hyper Dimensia

    Tutorial which aims to give readers an understanding of the fourth dimension by having them use a java applet to rotate a cube and a hypercube to see multiple views of the shapes at once.

    www.hyperdimensia.com

  • HyperCube by Harmen

    A short introduction to the fourth dimension, plus a hypercube java applet game.

    www1.tip.nl

  • Hypercube's homepage

    Philosophy, math, and cosmology related to the fourth dimension.

    www.geocities.com

  • Miscellaneous Mathematical Musings

    Introduction to dimensions, multi-dimensional geometric units, and formulas for calculating higher-dimensional phenomena.

    www.geocities.com

  • Thinking 4-d

    Focuses on helping the reader to conceive of the fourth spatial dimension, and in particular discusses hypercubes and hyperspheres.

    www.geocities.com

  • Four-Space Visualization of 4D Objects

    Mathematical and computer programming oriented approach. Discusses wireframe rendering and ray-tracing.

    stevehollasch.com

  • Hyperspace Travel

    Images and animations of a couple of four-dimensional objects, along with the math and source code used to produce them. Links to software to interactively visualize four-dimensional objects.

    www.hyperspace-travel.de

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