Thursday, 5 December 2024

Wooden Tops 2. Alder

Alder wood is soft and porous but, in water, it resists rotting. It's kept wet to maintain its durability. In early times Alder wood was used to construct boats, sluice gates and water pipes. Currently, it's used for wood veneers, pulp and plywood.

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Sandwich Island Saga 62. Wind turbines and birds

Research in Norway has revealed that painting one blade of a wind turbine black, greatly reduces the number of bird collisions. ...