The biggest and most powerful optical telescope is located in Arizona on the top of Graham mountain near Safford, Arizona. The 600-ton $120 million Large Binocular Telescope has two 8.4 meter mirrors equivalent to single telescope with a main mirror of 11.8 meters.
Large Binocular Telescope in Wikipedia
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Showing posts with label USA. Show all posts
Showing posts with label USA. Show all posts
Wednesday, June 18, 2008
Biggest Optical Telescope
Wednesday, April 16, 2008
Chicago Green Roofs
Here's a green roof of Chicago City Hall, as featured on Discovery Science. This 20,000 sq. ft. green roof demonstrates all benefits of having plants on tops of buildings such as cooler temperature in the building, less rain water, less CO2, and just visual pleasure.
Link to Google Maps
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