Re:We Rarely Lose Technology (2023)
by mitthrowaway2 on Monday September 08, 2025 @10:51AM
(#45169064)
> Is it because we have lost the secrets of ancient Roman technology?
> Not really. We know how to make durable concrete; itβs just more expensive than the alternatives that last 30-40 years.
... For a span of almost 2000 years this was not the case, there was nobody you could pay to make a concrete dome like the Pantheon's, not at any price. And we only properly reverse-engineered the Roman recipe in the past decade.
I think a technology still counts as "lost" even if it gets rediscovered in the distant future!
> Not really. We know how to make durable concrete; itβs just more expensive than the alternatives that last 30-40 years.
... For a span of almost 2000 years this was not the case, there was nobody you could pay to make a concrete dome like the Pantheon's, not at any price. And we only properly reverse-engineered the Roman recipe in the past decade.
I think a technology still counts as "lost" even if it gets rediscovered in the distant future!