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Hypersonic air travel just took a step closer to reality
submitted 5 years ago by SecretlyHistoric from nbcnews.com
[–]dcjogger 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - 5 years ago (0 children)
Anyone over 70 probably has experience with most problems, but they can still be surprised.
[–]dcjogger 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 0 fun2 insightful - 1 fun - (0 children)