As with other forms of electromagnetic radiation, X-rays can be described as coupled waves of electric and magnetic fields traveling at the speed of light (about 300,000 km, or 186,000 miles, per second).
Lock Haven, Pennsylvania. The city of Lock Haven is the county seat of Clinton County, in the U.S. state of Pennsylvania. Located near the confluence of the West Branch Susquehanna River and Bald Eagle Creek, it is the principal city of the Lock Haven Micropolitan Statistical Area, itself part of the WilliamsportâLock Haven combined statistical area.
York Haven, PA. Sponsored Topics. York Haven is a borough in York County, Pennsylvania, United States. The population was 809 at the 2000 census. The borough is the home of the Brunner Island coal-fired electrical generation plant, located on the Susquehanna River on Wago Rd. and operated by PPL.