More information: D. Berman, A. Erdemir, A.V. Sumant: Few layer graphene to reduce wear and friction on sliding steel surfaces. Carbon, 54, 454-459 (2013) D. Berman, A. Erdemir, A.V. Sumant: Reduced Wear and Friction Enabled by Graphene Layers on Sliding Steel Surfaces in Dry Nitrogen, Carbon, in press.
Harrison, New York. Harrison is a village and town located in Westchester County, New York, approximately 22 miles (35 km) northeast of Manhattan. The population was 27,472 at the 2010 census. Harrison was ranked sixth in the list of the top 10 places to live in New York State for 2014 according to the national online real estate brokerage Movoto. According to Forbes, Harrison is the 326th wealthiest place in the United States with a median home sale price of $1,230,625, slightly below that of Chappaqua.
Purchase, New York. Purchase, New York is a wealthy hamlet in the town of Harrison, in Westchester County. Its ZIP code is 10577. One myth explains that its name is derived from Harrison's purchase, where John Harrison was to be granted as much land as he could ride in one day. Purchase is home to State University of New York at Purchase and Manhattanville College.