-
1945 7 1945 8 6 30
19 20 E=MC2 1919 1932 1934 - 1938 2 1939 1 6
1934 1938
1940 4 1941 1941 12 1941 8
18 14000 22 14000
1945 7 16 5
800px-Nagasakibomb