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Marie Curie

(1867—1934)

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André Louis Debierne

André Louis Debierne  

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(1874–1949) French chemistBorn in Paris, France, Debierne was educated at the Ecole de Physique et Chemie. After graduation he worked at the Sorbonne and as an assistant to Pierre and Marie Curie, ...
Antoine Henri Becquerel

Antoine Henri Becquerel  

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(1852–1908) French physicist.His early researches were in optics; then, in 1896, he accidentally discovered radioactivity in fluorescent salts of uranium. Three years later he showed that it consists ...
astrophysics

astrophysics  

The study of the physical and chemical processes involving astronomical phenomena. Astrophysics deals with stellar structure and evolution (including the generation and transport of energy within ...
Bertram Borden Boltwood

Bertram Borden Boltwood  

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(1870–1927)Professor of radiochemistry at Yale University, in 1907 Boltwood made early determinations of the age of the Earth using uranium:lead ratios. He was able to show a long geologic time-scale ...
conservation law

conservation law  

A law stating that the total magnitude of a certain physical property of a system, such as its mass, energy, or charge, remain unchanged even though there may be exchanges of that property between ...
crystallography

crystallography  

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The study of crystal form and structure. See also X-ray crystallography.
curie

curie  

The former unit of activity (see radiation units). It is named after Marie Curie.
dynasty

dynasty  

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[Ge]A line of rulers whose right to power is inherited.
Ernest Rutherford

Ernest Rutherford  

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(1871–1937)A New Zealand-born physicist, Rutherford worked at the Universities of Cambridge and Manchester, and at McGill University in Canada. He made important studies of radiation and the ...
Eugene Anatole Demarçay

Eugene Anatole Demarçay  

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(1852–1904) French chemist. See Curie, Marie Skłodowska.
Françoise Giroud

Françoise Giroud  

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Literature
(1916–2003)worked in the film industry and journalism before becoming minister of state for women (1974–6) and then for cultural affairs (1976–7). Her very varied output includes collections of ...
Irène Joliot-Curie

Irène Joliot-Curie  

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(1897–1956)French physicist who, in collaboration with her husband, Frédéric Joliot-Curie (1900–58), discovered artificial radioactivity. For this they were awarded the 1935 Nobel Prize for ...
polonium

polonium  

Symbol Po. A rare radioactive metallic element of group 16 (formerly VIB) of the periodic table; a.n. 84; r.a.m. 210; r.d. 9.32; m.p. 254°C; b.p. 962°C. The element occurs in uranium ores to an ...
radioactive tracer

radioactive tracer  

A radioactive isotope whose movement can be monitored, which is used to trace the pathways by which individual substances move through an organism, a living system, the abiotic environment, etc. ...
radioactivity

radioactivity  

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The spontaneous fission of the nuclei of certain unstable (radioactive) elements or isotopes into more stable configurations, which gives rise to daughter elements or isotopes. In certain cases, ...
radium

radium  

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(ray-diŭm)a radioactive metallic element that emits alpha and gamma rays during its decay into other elements. The gamma radiation was formerly employed in radiotherapy for the treatment of cancer. ...
solid-state physics

solid-state physics  

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The study of the physical properties of solids, with special emphasis on the electrical properties of semiconducting materials in relation to their electronic structure. Solid-state devices are ...
ultrasonic

ultrasonic  

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n. the study of the uses and properties of sound waves of very high frequency (see ultrasound). —ultrasonic adj.
women in science

women in science  

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Women have been and remain underrepresented in science. During the Scientific Revolution of the seventeenth century aristocratic women were active as both patrons and interlocutors of natural ...

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