Relativity

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Relativity

  1. 1. Marcela Bahlsen,Knan Ztion and Marta Aparicio 4C
  2. 2. Albert Einstein was born 14th may 1897 in the Bavarian city of ULM. He was the first of 2 siblings, and he was Jewish. Albert was a very quiet and shy boy, but he was a bit slower than the rest of the people, which is better because he started thinking and asking questions to himself when he was an adult. They moved to Munich and the to Zurich, where Albert started his superior studies. in 1901 he got his first job as civil servant in the research office of Berne. In1903 he married Mileva Maric and they had 2 sons, but the marriage lasted few, they got divorced in 1919, and he married again his cousin Elsa. He was very good at physics and in 1905 he published his first articles about special relativity, Brownian movement …
  3. 3. After this, Albert became very popular, and in 1909 he obtained the job of professor in the university of Zurich. Ç 1916 he published the General theory of relativity, and in 1921 he received the Nobel prize in Physics. He had to abandoned Germany because of Hitler's dictatorship, and he moved to USA where he would be a catedratic in the university of Princeton. 1939 he asked roosevelt for the investment in the Atomic bomb project. And finally in 1955 he died in Princeton(USA)
  4. 4.   Albert Einstein stated the Special Theory of Relativity in 1905. This theory included new concepts of space and time: Physics laws are valid for non-accelerated objects. Light speed in a vacuum is independent of the observers ´motion
  5. 5.     He spent some years trying to include acceleration in his theory. In 1915 he published his General Theory of Relativity. Gravity is the force that attracts two objects. The fastest velocity is the light velocity. He discovered that the light in a vacuum has the same speed no matter the speed of the observer. As a result he realized that space and time were interwoven. (Events that occur at a specific time for an observer, could occur at a different time for another). Massive objects caused a distortion in space-time.
  6. 6.  The theory of relativity has strongly influenced developments in advanced physics, geometry, astronomy and cosmology (origin and structure of the universe).  Equations used and proved in the theory have helped to develop different theories between them some related to geometry and most importantly to the gravitational force.  It has helped to develop the principle of equivalence.  The theory is used to study the overall structure of the universe and therefore to expand our knowledge of cosmology.
  7. 7.  Using the theory several scientists have discovered natural phenomena such as black holes and gravitational lenses.  In modern physics it has shown scientists that it is possible to unleash the energy contained in the nucleus of an atom.  Has affected the application of nuclear production, and therefore has helped to alleviate a portion of our reliance on non renewable resources for our energy needs.  as well as the synchronization of the global positioning system (GPS).

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