In 3-5 sentences, describe four scientific and technological innovations made during World War Il that changed postwar society. (4 points)
1. The development of the atomic bomb by the Manhattan Project during World War II led to the dawn of the nuclear age and significantly altered international relations and the balance of power in the postwar world.
2. The invention of radar technology during World War II revolutionized military strategy and navigation, and it had widespread applications in civilian life such as weather forecasting and air traffic control.
3. The advancements in aviation technology during the war, including the creation of the jet engine and improved aircraft designs, paved the way for the growth of commercial aviation and international travel in the postwar era.
4. The invention of penicillin as a mass-produced antibiotic during World War II revolutionized the field of medicine and significantly reduced mortality rates from infectious diseases, leading to longer life expectancies and improved public health in the postwar period.