US drops the Atomic Bomb

How much was the atomic bomb? How much did it weigh?

The approximate cost of research and development of the atomic bomb was about $2 billion, the research cost $69,681,000. the atomic bomb was 3.5 meters in length by 1.5 meters in diameter, and it weighed 4.5 tons.

How long did it take to build the atomic bomb?

the Manhattan project took about 2.5 years.

Did scientists support the use of the bomb and how bad the outcome will be?

Most of the scientists supported some use of the bomb: 23 supported using it in a way that was militarily “most effective,” and 69 opted for a “military demonstration in Japan” with an opportunity for surrender “before full use of the weapons.”. Most of the scientists, civilian leaders, and military officials responsible for the development of the bomb clearly assumed that its military use, however unpleasant, was the inevitable outcome of the project

How big was the blast radius?

the destruction was observed at a radius of about 1.6 km but shock-waves must traveled even longer as the plane that dropped the bomb, Enola Gay, felt the shock-wave after flying for 18.5 km.

How did the bomb effect the environment?

A mushroom cloud forms from vaporized debris and disperses radioactive particles that fall to earth contaminating air, soil, water and the food supply. When carried by wind currents, fallout can cause far-reaching environmental damage.

How many died for impact? From radiation?

Total Casualties: ~90,000–146,000


Burns 60% & Falling debris 40%


100,000 died form radiation sickness

How does the atomic bomb work?

the nucleus of an atom is split into two smaller fragments by a neutron. This method usually involves isotopes of uranium

Nagasaki bombing

When was the Nagasaki Bombing? Why?

Aug 9, 1945. The second atom bomb is dropped on Japan by the United States, at Nagasaki, resulting finally in Japan's unconditional surrender.

How much did Fat Man cost?

$2 billion. (same prices of Little boy)

How big was Fat man? Weight?

The bomb was 128 inches (3,300 mm) long and 60 inches (1,500 mm) in diameter. It weighed 10,300 pounds (4,700 kg).

Death rate

total: ~80,000 people

Sketch Notes

Created By
matthew garcia

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