This is cool. Reminds me of Orion’s Arm, a kind of collaborative hard sci-fi world building exercise that pulls from any and all sources. https://www.orionsarm

This is cool. Reminds me of Orion’s Arm, a kind of collaborative hard sci-fi world building exercise that pulls from any and all sources. https://www.orionsarm.com https://www.orionsarm.com Then there’s this: ATOMIC ROCKETSHIPS OF THE SPACE PATROL or "So You Wanna Build A Rocket?" http://www.projectrho.com/public_html/rocket/index.php http://www.projectrho.com/public_html/rocket/index.php