By Date
Firebomb
Coban 7 comments
Neutron multiplier
Coban 0 comments
Superfenix 2
Coban 0 comments
spiral
Coban 2 comments
4-bit Adder-subtractor
Coban 3 comments
Rocket engine
Coban 4 comments
Electronic
Coban 1 comments
uranium enrichment plant
Coban 3 comments
Melted CPU
Coban 7 comments
Small Nuclear Reactor
Coban 2 comments
8-bit Adder
Coban 0 comments
metallic structures
Coban 0 comments