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The Week in Pictures: Wind Turbine Christmas Star and More

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Wind Turbine Becomes Colossal LED Christmas Decoration

After a year of engineering, modeling, and trials, the world's largest Christmas star now hovers above the A9 Autobahn near Munich's northern gateway. Affixed to the three blades of the massive wind turbine--70-meters tip to tip--are 9,000 light-emitting diodes (LEDs), all of which use less power than a hairdryer.

Read the full story: Wind Turbine Becomes Colossal LED Christmas Decoration

Image credit: Siemens

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