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.
This act authorized the building of highways throughout the nation, which would be the biggest public works project in the nation's history. Popularly known as the National Interstate and Defense Highways Act of 1956, the Federal-Aid Highway Act of 1956 established an interstate highway system in the United States.ndaunted, the President renewed his call for a modern, interstate highway systemâ in his 1956 State of the Union Address. Within a few months, after considerable debate and amendment in the Congress, The Federal-Aid Highway Act of 1956 emerged from the House-Senate conference committee.