Near the summit of Mount Graham, a 3,300-meter mountain in Arizona Stands a strange robotic structure. Mount Graham Telescope is also known as Mount Graham International Observatory (MGIO).
Construction of MGIO began in 1989. MGIO currently operates and maintains facilities for three scientific organizations. The first two telescopes, the Vatican Advanced Technology Telescope and the Heinrich Hertz Sub millimeter Telescope began operations in 1993. The Large Binocular Telescope, one of the world’s largest and most powerful optical telescopes, began operations using mirrors independently in 2004, with joint operations between the two mirrors beginning in 2008.
The telescopes two primary mirrors weigh each 18 tons and each is worth 11 million US$ to create this honeycomb glass they smelted borosilicate glass, rotated until a parabolic disc was formed. The mirror was cooled for few months, this mirror was 80% air which saved 56 tons and up to 2 years of labor.
The 2,000-ton rotating cube can turn at 2 degrees per second.
The structure can withstand 225km/h winds and has snow melting heaters built on its roof.
The first mirror was delivered in 2003 after three days of accent up the unmelted road.
Energy has been a huge demand for modern world and the methods of supplying energy have been taken to new levels. Wind can be harnessed and can change its form to electricity, in Texas, USA, a wind farm plant has been planted. The King Mountain Wind Farm is a 278.2 megawatt (MW) wind farm in Upton County, Texas, United States. The farm has been tactically places on a plateau ranged along a mesa which can produce winds all day long.
Each windmill is at least 90 meters tall so it can produce energy more efficiently. every turbine can generate 1.4 megawatts of electricity, at its full potential it can generate 280 megawatts which can supply 800,000 homes.
The project was completed in December 2001. Annual electricity production is more than 750 gigawatt hours.The wind farm is owned by FPL Energy and the customers for the electricity generated are Reliant Energy, Austin Energy and Texas-New Mexico Power Company.
Dust, sand and high temperatures place extraordinary demands on the wind turbines. Consequently, the design was modified for the desert-like conditions, providing additional cooling and protection against wind-blown sand.
In the 1980 United states produced 10 megawatts of wind energy but today they produce over 6,700 megawatts.
In 200 years the farm will save 20 million tons of Co2 (Carbon dioxide).
An average american house consumes 1,000 kilowatts hours in a month.