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500
Fire Discovered (c. 500,000 BC)
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Coal Powers Trains (1850 AD)
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Coal and Oil Power Plants Utilized (1875 AD)
Coal and Oil power plants were used in large cities to provide energy for the growing factories -
light bulb
Thomas Edison made the light bulb -
wind power
In July 1887, a Scottish academic, Professor James Blyth, built a cloth-sailed wind turbine in the garden of his holiday cottage in Marykirk and used the electricity it produced to charge accumulators which he used to power the lights in his cottage.[ -
Nuclear Power Discovered (1930 AD)
Nuclear Power was discovered during WWII, and was the most destructive force ever released by man. -
solar collectors
the first successful solar collectors were made by americans -
Solar Power Used (1970 AD)
Solar cells are a very new and efficient energy source -
Geothermal energy to heat houses
First use of geothermal energy to heat -
Natural Gas used Widespread (1990 AD)
Natural gas is an emerging form of electrical generation.