21 June 2013

Newer not necessarily better

After 2,000 years, a long-lost secret behind the creation of one of the world’s most durable man-made creations ever—Roman concrete—has finally been discovered by an international team of scientists, and it may have a significant impact on how we build cities of the future.


Al the Fish said...

I thought the secret was going to be that the construction wasn't done by mafia controlled unions from Quebec.