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.
Bald Eagle State Park, Centre County, is along PA 150 between Milesburg and Lock Haven. From I-80 west, take Exit 158 to PA 150 north for about 10 miles. From I-80 east, take Exit 178 to US 220 north, to PA 150 south for about 13 miles.