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.
By 1927 it was known as the State Teacher's College in Lock Haven and in 1960 the name was changed to Lock Haven State College. In 1983, the school joined the Pennsylvania State System of Higher Education and became known as Lock Haven University of Pennsylvania.The Clearfield campus in Clearfield, Pennsylvania was established in 1989.ock Haven University and its library began in 1870 as the Central State Normal School. All classrooms, dormitories, the dining room, the library, and the auxiliary rooms were housed in the original Sullivan Hall, located approximately where North Hall stands.