The First Great Terrorist Act

The United States concealed its project to develop an atomic bomb under the name “Manhattan Engineer District.” Popularly known as the Manhattan Project, it carried out the first successful atomic explosion on July 16, 1945, in a deserted area called Jornada del Muerto (“Journey of the dead”) near Alamagordo, New Mexico.
Dropping the First Atomic Bomb

At 2:45 A.M. local time, the Enola Gay, a B-29 bomber loaded with an atomic bomb, took off from the US air base on Tinian Island in the western Pacific. Six and a half hours later, at 8:15 A.M. Japan time, the bomb was dropped and it exploded a minute later at an estimated altitude of 580 +- 20 meters over central Hiroshima.
The Hiroshima Bomb
Size: length – 3 meters, diameter – 0.7 meters.
Weight: 4 tons.
Nuclear material: Uranium 235.
Energy released: equivalent to 12.5 kilotons of TNT.
Code name: “Little Boy”.

Initial Explosive Conditions
Maximum temperature at burst point: several million degrees centigrade. A fireball of 15-meters radius formed in 0.1 millisecond, with a temperature of 300,000 degrees centigrade, and expanded to its huge maximum size in one second. The top of the atomic cloud reached an altitude of 17,000 meters.

Black Rain
Radioactive debris was deposited by “black rain” that fell heavily for over an hour over a wide area.

Demaging Effects of the Atomic Bomb

Thermal Hear. Intense thermal heat emitted by the fireball caused severe burns and loss of eyesight. Thermal burns of bare skin occurred as far as 3.5 kilometers from ground zero (directly below the burst point). Most people exposed to thermal rays within 1-kilometer radius of ground zero died. Tile and glass melted; all combustible materials were consumed.

Blast. An atomic explosion causes an enormous shock wave followed instanteneously by a rapid expansion of air called the blast; these represent roughtly half the explosion’s released energy. Maximum wind pressure of the blast: 35 tons per square meter. Maximum wind velocity: 440 meters per second. Wooden houses within 2.3 kilometers of ground zero collapsed. Concrete buildings near ground zero (thus hit by the blast from above) had ceilings crushed and windows and doors blown off. Many people were trapped under fallen strunctures and burned to death.

Radiation. People exposure within 500 meters of ground zero was fatal. People exposed at distances of 3 to 5 kilometers later showed symptoms of aftereffects, including radiation-induced cancers.
Bodily Injuries

Acute symptoms. Symptoms appearing in the first four months were called acute. Besides burns and wounds, they included: general malaise, fatigue, headaches, loss of appetite, nausea, vomiting, diarrhea, fever, abnormally low white blood cell count, bloody discharge, anemia, loss of hair.

Aftereffects. Prolonged injuries were associated with aftereffects. The most serious in this category were: keloids (massive scar tissue on burned areas), cataracts, leukemia and other cancers.
Atomic Demographics (See 3 pictures below as sample of children born during several years after the blast)

Population. The estimated pre-bomb population was 300,000 to 400,000. Because official documents were burned, the exact population is uncertain.

Deaths. With an uncertain population figure, the death toll could only be estimated. According to data submitted to the United Nations by Hiroshima City in 1976, the death count reached 140,000 (plus or minus 10,000) by the end of December, 1945.

Health Card Holders. Persons qualifying for treatment under the A-bomb Victims Medical Care law of 1957 received Health Cards; holders as of March 31, 1990, numbered 352,550.

Sample pictures of children born during several years after the blast


Some Pictures of the devastation caused by the Nuclear Bomb


2 thoughts on “The First Great Terrorist Act

  1. You reap what you sow. The Japanese sowed on December 7, 1941 at Pearl Harbor. They reaped in August 1945. Before you get going on the first big terrorist act, perhaps you should read about the rape of Nanking and Japanese atrocities such as the Bataan Death March.

  2. R E Murray
    What had been sown by Africans that they were enslaved and murdered by thousands by Americans ? And before that, what had native Americans sown that they were butchered by the invader whites ? For your information, civilians including women and children were killed in Hiroshima and Nagasaki, may be a few soldiers were included. Is that allowed under the well-trumpeted Human Rights laws of USA ?

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