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Best Engineering in the Past 100 years

We commonly see lists of "best science" both here on PF and elsewhere. I think it is time for a little friendly rivalry from the engineering side. I arbitrarily chose 100 years as the period. The wheel and Roman aqueducts were great engineering but not much fun for us to talk about because we don't know much about the engineers...

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Best Engineering in the Past 100 years
We commonly see lists of "best science" both here on PF and elsewhere. I think it is time for a little friendly rivalry from the engineering side. I arbitrarily chose...
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