Shkadov thrusters, Matrioshka brains, Dyson Spheres, etc.

Deleted Deleted Member @Deleted Posts: 0 Likes:	Shkadov thrusters, Matrioshka brains, Dyson Spheres, etc. Mar 4, 2017 17:32:04 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Deleted on Mar 4, 2017 17:32:04 GMT