You have the world's smartest engineers and a budget of $1 billion. What do you build ? Submitted by [deleted] t3_11eo18w on February 28, 2023 at 11:49 PM in AskReddit 8 comments 3
I_Lick_Bananas t1_jaf42wg wrote on February 28, 2023 at 11:52 PM An underground pneumatic tube highway system across America that can swoosh a car from LA to Chicago in under an hour. Permalink 1
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