Albert einstein 3
Albert einstein 3Albert Einstein
Albert Einstein was born in Ulm, Germany on March 14, 1879, and died in 1955.
He was an American physicist and Nobel Laureate, also known as the creator of
the special and general theories of relativity and for his hypothesis concerning
the particle nature of light. He is perhaps the most well known scientist of
the 20th century.
Albert Einstein spent most of his youth in Munich, Germany, where his family
owned a small shop that manufactured electric machinery. He did not talk until
the age of seven, but even as a youth he showed a brilliant curiosity about
nature and an ability to understand difficult mathematical problems. At the age
of 12 he taught himself geometry.
Repeated business failure led the family to leave Germany for Milan, Italy,
when he was 15 yrs old. He then used the opportunity to withdraw from school.
He spent a year with his parents in Milan, and when it became clear that he
would have to make his own way in the world, he finished secondary school in
Arrau, Switzerland, and entered the Swiss National Polytechnic in Zurich.
Einstein often cut classes and used the time to study physics on his own or to
play his violin. He passed all of his tests and graduated in 1900 by studying
the notes of a classmate. His professors did not think highly of him and would
not recommend him to a university.
For two years Einstein worked as a tutor and substitute teacher. In 1902 he
got a position as an examiner in the Swiss patent office in Bern. In 1903 he
married Mileva Maric, who had been his classmate at the polytechnic. They had
two sons but eventually divorced. Einstein later remarried.
In 1905, Einstein received his doctorate from the University of Zurich for a
theoretical dissertation on the dimensions on the dimensions of molecules. He
also published 3 papers of central importance to the development of the 20th
century physics. In the first paper, Brownian Motion, he made a significant
prediction about the motion of the particles that are randomly distributed in a
fluid. These predictions were later confirmed by experiments.
The second paper on photoelectric effect, contained a revolutionary hypotheses
concerning the nature of light. Einstein not only proposed that under certain
circumstance's light can be considered as consisting of particles, but he also
hypothesized that the energy frequency of the radiation. The formula for this
is E = hu, where E is the energy of the radiation. And h is a universal
constant known as Planck’s constant. And u, is the frequency of the radiation.
This offer that the energy contained within a light beam is transferred in
individual units. Virtually no one accepted Einstein’s proposal. In fact, when
the American physicist Robert...
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