OT. Roman Concrete

Jan 08, 2023 Last reply: 3 years ago 2 Replies

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Dean Hoffman 3 years ago

New vs. Better. Scientists think they know why the Pantheon is still standing after 2,000 years.

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There must be examples of new not being better in the electrical field.

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Lasse Langwadt Christensen 3 years ago

"modern", the cement here factory have been using fly ash from the neighboring coal fired power plant since 1978 ..

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