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Robert A. Heinlein - Reactor

Robert A. Heinlein

detail from the cover of The Sword and the Satchel (art by Robert Florczak)

Five Mostly Helpful Mentors in SF and Fantasy

From "Fire of Troy" by Kerstiaen de Keuninck

Seven Plot-Friendly Ways to Spur Societal Collapse

Comment number: 10

Destination Moon: Both a Small Step and a Giant Leap for Sci Fi Cinema

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Artist's conception of a pulsed nuclear fission propulsion system from Project Orion

Not in My Atmosphere! — The Pitfalls of Project Orion

Comment number: 30
Close-up photo of a frozen dew drop

5 SFF Worlds Threatened by Endless Winter

Illustrated cover of Astounding Science Fiction, October 1941, featuring "By His Bootstraps" by Robert Heinlein; art by Hubert Rogers.

Five Ways to Build a Story Around an Unlikeable Protagonist

Comment number: 41
Detail from the cover of A City on Mars by Kelly and Zach Weinersmith

Radioactive Wastelands and Also Legal Wrangling: Kelly and Zach Weinersmith’s A City on Mars

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detail from the cover of Stranger in a Strange Land by Robert A Heinlein (Art by Neil Boyle)

A Trip to the Metaphysical: Stranger in a Strange Land by Robert A. Heinlein

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Detail from the cover of Citizen of the Galaxy

Five Books That Just Said To Hell With the Speed-of-Light Barrier

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Citizen of the Galaxy book cover

Robert A. Heinlein’s Citizen of the Galaxy Is Getting an Animated Film Adaptation

Photo of a wooden anatomical figurine from Germany, c. 1650-1750

Five SF Works About Repurposing Organs and Other Body Parts

Comment number: 46
Detail from the cover of Tales from the Loop; art by Simon Stålenhag

Five SFF Works About Meddling, Mystery-Solving Kids