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.
However, this funding arrangement did not get roads built fast enough to please the most ardent highway advocates. The Birth of the Interstate Highway System Among these was the man who would become President, Army General Dwight D. Eisenhower. During World War II, Eisenhower had been stationed in Germany, where he had been impressed by the network of high-speed roads known as the Reichsautobahnen.