Science Science Fiction Genres Literature

This category is intended as a collection of links to categories reflecting science and technology issues which represent common themes in science fiction writing.

• Top/Science

• Time Travel Message Board - Discuss the philosophical and physical ramifications of time genres travel, paradoxes, science parallel universes, and related topics.
• Dyson Spheres - Some sketches of dyson spheres.
• Ultimate Biospheres - An explanation of the concept of the Dyson science fiction sphere.

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