Resources | VOL. 15, ISSUE 89, March-April 2015 |

Discovering Coal

Unassuming it may be, the black lumps of coal at your barbecue party, but its strength is legendary. Coal has been one of the most widely used sources of energy either for domestic use, or a fuel for power generating plants or for that matter in railways and steamships. Before the humans knew that use of coal, wood and charcoal were used as fuels. The Graeco-Romans were the first people in history to use coal as a domestic fuel. Gradually,...

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