I believe the GP is referring to Project Orion[0], which did propose using repeated nuclear detonations behind a spacecraft to propel it forward. [0] https://e

I believe the GP is referring to Project Orion[0], which did propose using repeated nuclear detonations behind a spacecraft to propel it forward. [0] https://en.wikipedia.org/wiki/Project_Orion_%28nuclear_propulsion%29 https://en.wikipedia.org/wiki/Project_Orion_%28nuclear_propu...