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.
To the west, directly across the river, is the borough of White Haven in Luzerne County. Interstate 80 passes through the south side of the borough, with access from Exit 274 (Pennsylvania Route 534) at the borough's eastern border. Additional access is from Exit 273 in White Haven.