Ep.25 – The Colossus of Roads
Jul 09, 2020•5 min
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Episode description
Episode Notes
Scotsman John Macadam is the man who took us from rutted-out dirt roads to the tar covered boulevards we know today. His invention is the inspiration behind the airport "tarmac". All roads might lead to Rome, but it was probably made from macadam.
https://en.wikipedia.org/wiki/John_Macadam
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