In common scientific usage, high-energy particles with intrinsic mass are known as cosmic rays, while photons, which are quanta of electromagnetic radiation (and so have no intrinsic mass) are known by their common names, such as gamma rays or X-rays, depending on their photon energy.
Lewiston, NY. Sponsored Topics. Lewiston is a village in Niagara County, New York, United States. The population was 2,781 at the 2000 census. The village is named after Morgan Lewis, an early 19th-century governor of New York. It is part of the BuffaloâNiagara Falls Metropolitan Statistical Area.
It is the principal city of the Lewistown, PA Micropolitan Statistical Area, which encompasses all of Mifflin County. It lies along the Juniata River, 61 miles (98 km) northwest of Harrisburg. The number of people living in the borough in 1900 was 4,451; in 1910, 8,166; in 1940, 13,017; and in 2000, 8,998.