By Date
plutonium fission power plant
0 comments
twin bomb
3 comments
radioactium
0 comments
Fraion
0 comments
strangium
1 comments
propertium
0 comments
Fusion power plant
0 comments
neutron based rocket
0 comments
chemistry laboratory
0 comments
Self healing cell v8
1 comments
Cryo's "surface"
0 comments