U42

By Date

plasma rocket engine

U42 1 comments

BETTER CALL JACOB1

U42 6 comments

venus teraformed

U42 0 comments

high temperature atmosphere teraformer

U42 3 comments

deuterium fusion bomb

U42 1 comments

stacked alloy

U42 0 comments

Special alloy

U42 0 comments

pov stellar engine

U42 0 comments

better dyson sphere

U42 0 comments

dyson sphere

U42 3 comments

star v2 uran co2 core idk

U42 0 comments

new contaiment prototype fusion

U42 0 comments