He holds honorary degrees from 25 institutions. During WWII, he had a large role in designing anti-submarine and meteorological devices.ģ. Millikan was also known for his talks about the relationship between science and religion.Ģ.
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The results concluded that Einstein was correct.ġ. The wheel rotated inside, a metal would be shaved down by a knife and the cylinder was rotated toward a light using an electromagnet. His earliest major success was the accurate determination of the charge carried by an electron, using the elegant falling-drop method he also proved that this quantity was a constant for all electrons (1910), thus demonstrating the atomic structure of electricity. The machine he designed was a lightbulb with a wheel inside that had 3 cylinders of metals on it: sodium, lithium and potassium. To test this Einstein's theory, he created an experiment in light bulb. Millikan did not agree with this idea, since previously light had only been described as a wave. In 1905, Albert Einstein published describing the particle-like qualities of light known as the photoelectric effect. Fletcher’s work on the oil drop project, however, was not recognized. Millikan won a Nobel Prize in 1923 for his work on this experiment. Robert Millikan was the sole recipient of the Nobel Prize in Physics in 1923 for both his work in this classic experiment and his research in the photoelectric effect. By comparing the velocity's of the charged and non-charged drops, Millikan and Fletcher found that all the negatively charged particles had a charged that was multiple of 1.6e-19 coloumbs. These plates emitted x-rays that caused the negatively charged oil drops to either fall at a slower rate, stop or rise. Droplets of oil fell through the whole into a chamber with electrically charged plates.
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In this experiment, oil was sprayed onto a plate with a hole. In 1909, Millikan worked with assistant Harvey Fletcher to create the oil drop experiment.The pair were able to find the charge of electron as well as the smallest unit of an electron charged that can be quantized. Major Scientific Contributions Oil Drop Experiment Oil Drop Experiment Robert Millikan died on Decemin San Marino, California at the age of 85. Millikan later went on to be the director of the Norman Bridge Laboratory of Physics at the California Institute of Technology in 1921. In 1908, he became an assistant at the University of Chicago where he later became a professor. The couple had three children: Clark Blanchard, Glenn Allen, and Max Franklin.
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Millikan married Greta Ervin Blanchard in 1902. in 1895, being the first person to do so from that department. After teaching elementary physics for two years, Millikan went back to school to earn his doctorate in physics from Columbia University. He attended Oberlin College in Oberlin, Ohio, graduating with a degree in classics in 1891. Robert Andrews Millikan was born Main Morrison, Illinois.