11 technologies that changed our lives
1. Thomas Edison ran the first test of light bulb in 1879 but Joseph Swan created the bulb earlier. By 1885, 300,000 light bulbs were sold
2. Eastman Kodak developed the first camera with resolution of 0.01 megapixels and in 1975 the first picture was taken for 23 seconds.
3. In 19th century the scientist were trying to find a way to communicating wirelessly but by the end they developed a radio. Developed in 1906
4. Sewing machine - 1970 by Thomas Saint. The machine used an awl instead of a needle.
5. Scientist in 19th century came up with the idea matches that lighted b/c of a chemical reaction but it was very dangerous (phosphorous) Later discovered red phosphorous is safer.
6. Alexander Graham Bell - inventor of the telephone, worked with Antonio Meucci. First call in 1876
7.1853, Charles Pravaz and Alexander Wood developed a hypodermic syringe with a needle that will poke through the skin.
8.John Deere developed a technology that helped the farmers and now they didn't have to churn the dirt on their own. In 1837 he created a plow with saw-blade steel and worked in heavy soil
9. In the past one refrigerator was priced at $714 but they used dangerous chemicals. In 1930, Frigidaire developed a refrigerators with chlorofluorocarbons that was not dangerous chemical
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