Elon Musk @elonmusk
Final one: anything launched by a railgun (if you could ever reach ~ Mach 27) would explode upon exiting the barrel in our dense atmosphere — PolitiTweet.org
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Mon Jan 26 08:28:48 +0000 2015
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Likely AvailableElon Musk @elonmusk
Final one: anything launched by a railgun (if you could ever reach ~ Mach 27) would explode upon exiting the barrel in our dense atmosphere — PolitiTweet.org