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
tobeefair t1_jaf3xiw wrote on February 28, 2023 at 11:51 PM Water purification systems. Sustainable renewable energy systems. Permalink 2
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