What is 'Little Boy'?a)The fission bomb dropped at Hiroshimab)The fus...
'Little Boy' was the codename for the type of atomic bomb dropped on the Japanese city of Hiroshima on August 6, 1945 during World War II. It was the first nuclear weapon used in warfare. The bomb was dropped by the Boeing B-29 Superfortress Enola Gay piloted by Colonel Paul W. Tibbets, Jr., commander of the 509th Composite Group of the United States Army Air Forces, and Captain Robert A. Lewis. It exploded with an energy of approximately 15 kilotonnes of TNT (63 TJ) and caused widespread death and destruction throughout the city.
What is 'Little Boy'?a)The fission bomb dropped at Hiroshimab)The fus...
Little Boy
Little Boy was the code name for the atomic bomb that was dropped on the Japanese city of Hiroshima on August 6, 1945, during World War II. It was the first ever use of a nuclear weapon in warfare and had a significant impact on the course of history. Here are the key details about Little Boy:
Development and Design:
- Little Boy was developed by the United States as part of the Manhattan Project, a top-secret research program to develop atomic weapons.
- The bomb was a gun-type design, meaning that it used conventional explosives to propel a sub-critical mass of uranium-235 into a supercritical state, initiating a chain reaction.
- The uranium-235 used in Little Boy was highly enriched, meaning it had a high concentration of the fissile isotope.
Specifications:
- Little Boy had a weight of around 9,700 pounds (4,400 kilograms) and a length of approximately 10 feet (3 meters).
- It had a yield equivalent to about 15 kilotons of TNT, making it one of the most powerful weapons of its time.
- The explosion caused by Little Boy created a fireball that reached temperatures of millions of degrees Celsius and unleashed a devastating shockwave.
The Attack on Hiroshima:
- On August 6, 1945, the American B-29 bomber aircraft named Enola Gay dropped Little Boy at approximately 8:15 am local time.
- The bomb detonated at an altitude of around 1,900 feet (580 meters) above the city, releasing an immense amount of energy.
- The blast instantly killed an estimated 70,000-80,000 people and caused widespread destruction, leveling buildings within a radius of about 1.6 miles (2.5 kilometers).
Aftermath and Legacy:
- The attack on Hiroshima led to Japan's unconditional surrender on August 15, 1945, effectively ending World War II.
- The use of atomic bombs on Hiroshima and Nagasaki remains a controversial topic, with debates surrounding the ethical and moral implications of such weapons.
- The bombings also highlighted the destructive power of nuclear weapons and initiated a nuclear arms race between the United States and the Soviet Union during the Cold War.
- Today, the bombings serve as a reminder of the devastating consequences of nuclear warfare and the need for international efforts to prevent the use of such weapons.
In conclusion, Little Boy was the code name for the atomic bomb dropped on Hiroshima, being the first ever use of a nuclear weapon in warfare. Its impact on history, both in terms of ending World War II and shaping the subsequent nuclear age, cannot be understated.