The vcertical wind turbine built by Terra Moya Aqua is, they claim, capable of producing up to 80% more power than propeller turbines. They are also quieter, less dangerous for birds and more compact.
Technorati tag: Wind Power
The Maunsell Towers were set up to provide anti aircraft defence in the Thames Estuary during World War Two. Each “fort” comprised of one Bofors tower, a control tower, four gun towers and a searchlight tower. Three forts were built Nore Army Fort, the Red Sands Army Fort and the Shivering Sands Army Fort, of which the latter two still stand, more or less.
Sealand, most famous of the offshore forts, with plans
via BoingBoing