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.
Sinking Spring is a borough in Berks County, Pennsylvania, United States.The population was 4,008 at the 2010 census. Sinking Spring was given its name for a spring located in the center of town. The water in this spring would sink into the ground from time to time, giving the illusion that it had disappeared.he population was 4,008 at the 2010 census. Sinking Spring was given its name for a spring located in the center of town. The water in this spring would sink into the ground from time to time, giving the illusion that it had disappeared.