Final one: anything launched by a railgun (if you could ever reach ~ Mach 27) would explode upon exiting the barrel in our dense atmosphere— Elon Musk (@elonmusk) January 26, 2015
Final one: anything launched by a railgun (if you could ever reach ~ Mach 27) would explode upon exiting the barrel in our dense atmosphere
— Elon Musk (@elonmusk) January 26, 2015