U42

By Date

photon plutonium reactor

U42 3 comments

weak hydrogen reactor

U42 0 comments

DAEDALUS FUSION PULSE ENGINE

U42 7 comments

Ring World

U42 0 comments

DLBNPR

U42 0 comments

Fusion fission hybrid reactor test

U42 0 comments

DEUT LightBulb Rocket

U42 1 comments

Moon Atomic Power Plant

U42 0 comments

Advanced polonium heat generator

U42 2 comments

DEST fusion bomb

U42 0 comments

RPLT thermonuclear bomb

U42 0 comments

Explosive

U42 0 comments