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Definition: Bohr, Niels 1885-1962, from Dictionary of Energy

Danish physicist who identified the fundamental structure of atoms and laid the groundwork for the field of quantum mechanics, which underlies modern physics. He escaped Denmark during the Nazi occupation and eventually worked on the Manhattan Project in the U.S. He later became a leading advocate for the peaceful use of atomic energy.

Bohr, Niels Henrik David (1885-1962)

From The Hutchinson Dictionary of Scientific Biography
Place: Denmark Subject : biography, physics Danish physicist who established the structure of the atom. For this achievement he was awarded the 1922 Nobel Prize for Physics. Bohr made another very important contribution to atomic physics by explaining the process of nuclear fission. Bohr was born in Copenhagen on 7 October 1885. His father, Christian Bohr, was professor of physiology at the University of Copenhagen and his younger brother Harald became an eminent mathematician. Niels Bohr was a less brilliant student than his brother but a careful and thorough investigator. His first research project, completed in 1906, resulted in a precise determination of the surface tension of water and gained him the gold medal of the Academy of Sciences. In 1911, he was awarded his doctorate for a theory accounting for the behaviour of electrons in metals. In the same year, Bohr went to Cambridge, England, to study under J J Thomson, who showed little interest in Bohr's electron theory so, in…
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Danish physicist, a major contributor to quantum theory . Bohr worked with J.J. Thomson and Ernest Rutherford in Britain before teaching theoretical physics at the University of Copenhagen. He escaped from German-occupied Denmark during World War 2, and worked briefly on developing the atom bomb in…
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Full text Article Niels Bohr 1885–1962

From The Oxford Dictionary of Quotations
Danish physicist and pioneer in quantum physics An expert is a person who has found out by his own painful experience all the mistakes that one can make in a very narrow field. attributed by Edward Teller in Life 6 September 1954 Anybody who is not shocked by this subject has failed to understand…
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Full text Article Bohr, Niels Henrik David (1885-1962)

From The Hutchinson Dictionary of Scientific Biography
Place: Denmark Subject : biography, physics Danish physicist who established the structure of the atom. For this achievement he was awarded the 1922 Nobel Prize for Physics. Bohr made another very important contribution to atomic physics by explaining the process of nuclear fission. Bohr was born in…
| 1,115 words
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Full text Article SUPERSTITION

From Collins Dictionary of Quotations
There is a superstition in avoiding superstition. BACON, Francis ‘ Of Superstition ’ (1625). Every time a child says ‘I don’t believe in fairies,’ there is a little fairy somewhere that falls down dead. BARRIE, Sir J. M. Peter Pan (1904). …
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Full text Article Bohr theory

From Merriam-Webster's Medical Dictionary
a theory in early quantum physics: an atom consists of a positively charged nucleus about which revolves one or more electrons of quantized energy Bohr, Niels Henrik David (1885–1962), Danish physicist. Bohr was the foremost influence on and major contributor to the development of quantum theory in…
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Full text Article EXPERTS

From Collins Dictionary of Quotations
An expert is a man who has made all the mistakes which can be made in a very narrow field. [Attr.] All other men are specialists, but his specialism is omniscience. DOYLE, Sir Arthur Conan His Last Bow (1917). An expert is a man who knows some of the worst errors that can be made in the subject in…
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Full text Article bohrium

From The Macquarie Dictionary
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Full text Article bohrium

From The Chambers Dictionary
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Full text Article LOGAN'S MICROMOLAR THEORY

From Elsevier's Dictionary of Psychological Theories
The American psychologist Frank A Logan (1924-) formulated micromolar theory , which defines the quantitative aspects of various types of responses - such as speed, volume, and amplitude - where such aspects or dimensions become part of what the person actually learns (cf., correspondence theory/law…
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