dio waves were discovered. Now messages could be sent over long distances in virtually no time. Advances in Science were also made. The discovery of radioactivity by Marie Curie helped discover radioactivity as power source, but also led to the discovery of the nuclear bomb. During the 1800's over 70,000 chemical compounds were broken down. Some of these were Portland cement, vulcanized rubber, synthetic dyes, and petroleum products. Petroleum begun to be widely used as an alternate energy source. Gasoline was also needed for transportation also changed from steam engines to the internal combustion engine. The internal combustion engine made transportation faster and less public. A person could own a car instead of using public transportation. During this time, a new technology was born in the field of transportation. Orville and Wilbur Wright successfully completed the first airplane flight at Kitty Hawk. The air plane industry was born.Medicine before the 1750's and in the 1850's wasn't well developed. Once infection set in, nothing was possible to save the patient. Various diseases couldn't be stopped or controlled because of limited technology. In the 1850's however, vaccinations were discovered and administered. X rays were also discovered and provided doctors with a faster way of diagnosing medical problems. Louis Pasteur discovered and fabricated a way to eliminate all germs in milk. Called pasteurization, this technique is now widely used on all milk. The technique involves heating the milk to slow the fermentation process.Darwin was a naturalist who devised the theory of evolution. It stated that all animals and plants evolution from a lower species. He also developed the concept of Social Darwinism that the strongest survive. Many people contested his ideas and argued against them.Life was drastically changed during the industrial revolution. People were living in germ infested, crowded and very unhealthful conditions, much li...
