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Mark Lonner

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Steel manufacture

In 1857, Robert Mushet, an English metallurgist, received a U.S. patent for a method of manufacturing steel which improved the Bessemer process for making steel that would be more malleable. (No. 17,389). His process added manganese in the form of spiegeleisen, an alloy of iron and manganese derived from a Prussian iron ore consisting essentially of a double carbonate of iron and manganese. The softness or hardness of the steel could be regulated by diminishing or increasing the proportion of the triple compound of iron, carbon and manganese. He chose to use the alloy of the Prussian ore because it was more free of sulphur, phosphorus and silicon. Mushet also discovered tungsten steel, an alloy with about 8% tungsten.

A panda bear walks into a rest...

A panda bear walks into a restaurant and orders a meal. After eating he pulls out a gun, shoots the place to the ground, and runs away. Quickly the bartender runs after him yelling, "HEY YOU CAN'T DO THIS!!!" The panda turns around and yells "Yes I can. Look me up in the encyclopedia!" So, the bartender looks up "Panda" in the encyclopedia, and it reads "Panda: increasingly rare species of bear that can be found in the eastern part of Asia. It eats shoots and leaves.”
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