HPS202H1 Lecture Notes - Lise Meitner, Pierre Curie, Henri Becquerel

34 views3 pages
Published on 15 Nov 2011
School
UTSG
Department
History and Philosophy of Science and Technology
Course
HPS202H1
Professor
HPS202
Tuesday, November 15, 2011
Scientists in Power
beginnings of French nuclear program
1939-1940
connections btwn scientific practice and politics
wartime: incentives and hindrances for scientific research
intro to main researchers in nuclear physics in France
Curie dynasty
Radioactivity and the Curies
Henri Becquerel (1852-1908)
Marie Curie (1867-1934)
Pierre Curie (1859-1906)
relation to x-ray? fluorescence? mass/charge?
discovery of radioactivity
Nobel Prize in physics, 1903
radioactivity, central for knowledge about constitution of matter
Curies defined research field
Marie: Nobel Prize in chemistry, 1911, study of properties of radium and polonium
Irene Curie (1897-1956)
Frederic Joliot (1900-1958)
interactions of radiation and matter
transmutation of chemical elements
discovery of artificial radioactivity
Nobel Prize in chemistry, 1935
Creation of Research Program
France, 1920s and 30s
debt, inflation, instability, radicalization
scientists in government
promotion of science
CNRS (Caisse Nationale de la Recherche Scientfique)
rise of German national socialism
Fission
experiments of transmutation with heavy elements
Otto Hahn and Lise Meitner (1938): fission of heavy element produces two lighter
elements and free energy
Unlock document

This preview shows page 1 of the document.
Unlock all 3 pages and 3 million more documents.

Already have an account? Log in

Document Summary

Scientists in power beginnings of french nuclear program: 1939-1940 connections btwn scientific practice and politics, wartime: incentives and hindrances for scientific research intro to main researchers in nuclear physics in france, curie dynasty. Irene curie (1897-1956: frederic joliot (1900-1958, nobel prize in chemistry, 1935 interactions of radiation and matter transmutation of chemical elements discovery of artificial radioactivity. Creation of research program: france, 1920s and 30s debt, inflation, instability, radicalization scientists in government, promotion of science, cnrs (caisse nationale de la recherche scientfique) rise of german national socialism. Fission experiments of transmutation with heavy elements: otto hahn and lise meitner (1938): fission of heavy element produces two lighter elements and free energy. Joliot, halban and kowarski: fission produces free neutrons, possible chain reaction, fission potential uses in weapons. Research at college de france designs for nuclear reactors patents for reactors and weapons: sept 1939 german invasion to poland, france and gb declare war, scientists called to reserve.

Get OneClass Grade+

Unlimited access to all notes and study guides.

YearlyMost Popular
75% OFF
$9.98/m
Monthly
$39.98/m
Single doc
$39.98

or

You will be charged $119.76 upfront and auto renewed at the end of each cycle. You may cancel anytime under Payment Settings. For more information, see our Terms and Privacy.
Payments are encrypted using 256-bit SSL. Powered by Stripe.