3 ms·
Mass Drivers Cost Way Too Much (https://settlement.arc.nasa.gov/Nowicki/SPBI1SI.HTM https://settlement.arc.nasa.gov/Nowicki/SPBI1SI.HTM)
by black6 6y ago
Mass Drivers Cost Way Too Much (https://settlement.arc.nasa.gov/Nowicki/SPBI1SI.HTM https://settlement.arc.nasa.gov/Nowicki/SPBI1SI.HTM)