Radiation. 1  Radiation is the emission of energy as waves or particles or rays. 2  Radiation does not require a medium to transfer energy. 3  Radiant energy is either reflected or absorbed by matter. 4  Energy that is absorbed increases the kinetic energy of the object. 5  This increases the temperature of the object.
The Pennsylvania Turnpike could also be considered one of the first Interstate Highways. On October 1, 1940, 162 miles (261 km) of the highway now designated Iâ70 and Iâ76 opened between Irwin and Carlisle. The Commonwealth of Pennsylvania refers to the turnpike as the Granddaddy of the Pikes.
Interstate 82 opened between Ellensburg and Yakima in 1971 and between Union Gap and Zillah by November 1981.1 The freeway replaced the routing of U.S. 97 northward to Interstate 90 and southward to Union Gap. U.S. 12 follows the freeway from Berglund eastward to the Tri-Cities and Interstate 182.