home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
WWII Attack! from Pearl Harbor to Potsdam
/
WWII Attack - From Pearl Harbor to Potsdam - Disc 2.iso
/
pc
/
media
/
resources
/
library.dxr
/
00205_Text_205.txt
< prev
next >
Wrap
Text File
|
1999-06-04
|
712b
|
13 lines
1934 Artificial radioactivity discovered by Curie/Joliot (bombardment with alpha
particles) and by Fermi (bombardment with neutrons).
1938 December-Fermi receives the Nobel prize for the discovery of transuranic
elements (actually fission of uranium) and departs for the "new world"
December 22, Hahn and Strassmann (later Meiter and Frisch) conclude that
the identification of barium implies that the uranium nucleus has been
fissioned by neutrons.
1939 January to May-Many experiments on uranium fission.
August 2-Szilard, Wigner, and Teller obtain a letter from Einstein on the
possibility of a uranium weapon; Roosevelt receives the letter on October 11,
1939 from Sachs.