On October 28, 2013, wind power provided 100% of Denmark's power. At 2:00am, it was producing 122% of the country's energy needs.
12
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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Pure water (H2O) does not conduct electricity on its own.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Water, electricity, and gas has been free in Turkmenistan since 1991.
11
Electric lights for trees were first used in 1895.
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