By Date
Working sun with photons
1 comments
Water Refinery
0 comments
Fridge
0 comments
hydrogen+oxygen=water
0 comments
nuclear bomb free to copy
0 comments
How to make a metal to a battery
0 comments
O+H2=H2o=watr
0 comments
Atomic Bomb
0 comments
Dura OIL
0 comments
Hydroelectric powerplant
0 comments
Rifle
0 comments