Thursday, December 11, 2008

Albert Einstein

Albert Einstein
Albert Einstein was born on March 14, 1879 in Ulm, Wurttemberg, Germany. Einstein contributed more than any other scientist since Sir Isaac Newton to our understanding of physical reality.

Einstein worked at the patent office in Bern, Switzerland from 1902 to 1909. During this period he completed an astonishing range of theoretical physics publications, written in his spare time, without the benefit of close contact with scientific literature or colleagues.

The most well known of these works is Einstein's 1905 paper proposing "the special theory of relativity." He based his new theory on the principle that the laws of physics are in the same form in any frame of reference. As a second fundamental hypothesis, Einstein assumed that the speed of light remained constant in all frames of reference.

Later in 1905 Einstein showed how mass and energy were equivalent expressing it in the famous equation: E=mc2 (energy equals mass times the velocity of light squared). This equation became a cornerstone in the development of nuclear energy.

Einstein received the Nobel Prize in 1921 but not for relativity, rather for his 1905 work on the photoelectric effect. He worked on at Princeton until the end of his life on an attempt to unify the laws of physics.
Albert Einstein

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