Concrete — though it seems conterintuitive — floats. And floats well. This summer, in the waters off western France, this rock-hard material — used for megaprojects from the ancient Roman dome of the ...
1. Statoil's Hywind floating windfarm will employ cylindrical floats constructed out of steel and sand-water balast. They will share the same power lines and be tethered to the ocean floor. (Image ...