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          Black Powder
           Part 1 of Paper ....ireworks on the Fourth of July, allowed us to use guns, and to make smoke.  The history of  is considered to be founded in Italy around the time of the thirteen hundreds.  It was supposedly found by the Chinese during this time.Shortly after with the founding of guns, did  find fame.  This  was used to make an explosio....           Part 2 of Paper ....rm of this powder is known as the brown form, this is a mixture of saltpeter, charcoal, and sulfur.  These pieces tend to look like little hexagonal or octagonal milk chocolate pieces.  However these can be modified in a way to form a more harsh explosion.  This method is known as grading, were powder size is modified to hold a higher concentration of a particular substance.  The charcoal used in such  is considered to be ash from the wood of a willow.  The different types of  can be modeled in ....            |   
          
          
          | Number of words: 941 - Approximate pages: 4 | 
           
           
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