Transcript Atomic Bomb

Atomic Bomb
"Fat Man" weapon dropped on Nagasaki
 April 30, 1945 Hitler and his wife Eva
Braun commit suicide in his Berlin bunker.
 May 8, 1945 Germany surrenders.
 Japan is the only one left to defeat.
 From 1942 to 1945 the U.S. has spent $2
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billion ($23 billion in 2007) to design and
build three atomic bombs. (money was
often appropriated secretly)
The atomic bomb was the result of a
massive research project known as the
Manhattan Project.
Albert Einstein sent President Franklin
Roosevelt a letter warning of German
attempts to build a nuclear bomb.
1st test of an atomic bomb: July 14, 1945
Cracked windows 75 miles away.
An early stage in the "Trinity" fireball”.
Trinity was the first test of technology
for a nuclear weapon.
Ground zero after the test.
August 6, 1945
 Enola Gay dropped an atomic bomb on
Hiroshima, Japan.
The mushroom cloud over Hiroshima after the
dropping of Little Boy.
This view was taken from the Red Cross Hospital
Building about one mile from the bomb burst.
An overview of the destruction of
Hiroshima
August 9, 1945
 Three days later, a second bomb was
dropped on Nagasaki, Japan.
The Fat Man mushroom cloud resulting from the
nuclear explosion over Nagasaki rises 11 mi,
60,000 ft) into the air from the hypocenter.
Nagasaki before and after bombing
Facts about the Atomic Bomb
 Dropped from 30,000 feet
 Detonated at 1,900 feet above the center
of the two Japanese cities.
 78,000 people died in less than 1 second.
(Hiroshima)
 4 square miles of land disappeared.
 Over 150,000 Japanese died in the two
explosions.
 The energy released by
the bomb was powerful
enough to burn through
clothing. The dark
portions of the garments
this victim wore at the
time of the blast were
emblazoned on to the
flesh as scars, while skin
underneath the lighter
parts (which absorb less
energy) was not
damaged as badly.
 Japan surrendered on August 14, 1945
 At the White House, President Harry Truman
announces the Japanese Surrender. August 14,
1945
World War II Ends
 World War II officially ends September 2,
1945.
Tsutomu Yamaguchi (16 March 1916 – 4
January 2010)
 A Japanese national who survived
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both the Hiroshima and Nagasaki
atomic bombings during World War II.
Although more than one hundred
people are known to have been
affected by both bombings, he is the
only person to have been officially
recognized by the government of
Japan as surviving both explosions.
A resident of Nagasaki, Yamaguchi
was in Hiroshima on business for his
employer Mitsubishi when the city
was bombed on 6 August 1945.
The following day he returned to
Nagasaki and, despite his wounds,
returned to work on 9 August, the day
of the second atomic bombing.
He died of stomach cancer in
January 2010.