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.
The Adirondack Northway section of Interstate 87, which is the toll free section from Albany north to the International Border with Quebec, Canada, began construction in 1957. A ten mile stretch opened on May 26, 1961 from U.S. 9 southwest of Glens Falls to Gurney Lane (Exit 20) to the north of Glens Falls.