civil engineering

How A Secret Squad Saved London From Flooding In The WWII Blitz

How A Secret Squad Saved London From Flooding In The WWII Blitz

When bombs rained down on London during the Blitz, they fell on houses, on churches, and, less famously, on embankments along the River Thames. The damaged embankments could have sent devastating floods through London, but they didn’t — thanks to a group of engineers who worked secretly and at night.

Monster Machines: This Solar Wheel Pulls In Over 20 Tonnes Of Garbage Daily

Monster Machines: This Solar Wheel Pulls In Over 20 Tonnes Of Garbage Daily

Baltimore harbour is apparently only about a half step up from Rio in terms of cleanliness given that the US city’s newest green machine — a rubbish-collecting water wheel powered by the sun — is expected to extract some 22,000kg of garbage from coastal waters every day. Every day.