Renewable energy – what we can draw from the sun, biomass, wind, wave, wastes and earth – has a relatively short operating history. In 2009 (the latest available data from the International Energy Agency), it contributed about 0.4% to the total energy. To
Lightning poses a risk to humans, animals, plants and industrial systems. Its damaging characteristics are primarily due to the immense potential differences and electric currents that are generated.
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