In the middle of the Nevada desert, 10,000 billboard-size mirrors track the desert sun and focus its rays onto the top of a 640-foot (195-meter) tower filled with molten salt. The salt heats to extreme temperatures, produces steam, and generates electricity day and night for the state of Nevada.

In the middle of the Nevada desert, 10,000 billboard-size mirrors track the desert sun and focus its rays onto the top of a 640-foot (195-meter) tower filled with molten salt. The salt heats to extreme temperatures, produces steam, and generates electricity day and night for the state of Nevada.

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