Diamond – Wikipedia, The Free Encyclopedia
In mineralogy, diamond (from the ancient Greek αδάμας – adámas "unbreakable") is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. Diamond is less stable than graphite, but the … Read Article

Grand Rapids, Michigan – Wikipedia, The Free Encyclopedia
Grand Rapids is a city in the U.S. state of Michigan. The city is located on the Grand River about 25 miles east of Lake Michigan. As of the 2010 census, the city population was 188,040. In 2010, the Grand Rapids metropolitan area had a population of 1,005,648 and a combined statistical area … Read Article

Derby, Kansas – Wikipedia, The Free Encyclopedia
Derby is a city in Sedgwick County, Kansas, United States. Formerly known as El Paso, it is the largest suburb of Wichita. As of the 2010 census, the city population was 22,158. … Read Article