Practical Engineering on MSN
How the Romans Built Concrete That Lasted 2,000 Years
Roman concrete has stood for millennia while modern structures crumble in decades but how did ancient builders create a ...
The Outside Guy often comments on the reality that badly placed concrete looks great after a few days, and may even look as ...
Why it matters: Galati endured 14 months of torture, interrogation and deprivation as a POW in Hanoi in the early 1970s — and ...
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