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Pakistan is deficient in oil. It is spending billion of dollars on import of oil from abroad. This is a huge drain on its scarce foreign exchange earnings.It need to develop alternate souces of oil like ethanol.

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Alloy Steels means the alloy of steel with some other metal or metals. This “Other metal” has a remarkable effect on the properties of steel. For example, ordinary steel tends to rust in humid air but addition of some chromium and nickel to steel gives an alloy steel.

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The article describes how more productive results can be obtained from land currently used for agricultural production with the focus on the developed western world especially the UK. It also proposes a way forward with or without government compulsion.

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Coal ash has been described as both a danger and an asset. It may help to know more about why people take these opposing views.

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Mercury was mined commercially in Silicon Valley until 1976. The Quiksilver Mines of New Almaden, California, a few miles from the city limits of San Jose, California produced during the 1940’s and 1950’s more mercury than any other mines in the world. The mines are now part of a sweeping, vast, beautiful park in south San Jose — the Quiksilver Mines County Park.

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This is an interesting process through which rubber bands made.

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How engines have changed industry.

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The process of sewage treatment from start to finish.

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The story about the life of William (Bill) Powell Lear.

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A Comparision of Maclomn Mclean and Fred Smith.