Atomic bomb | History, Properties, Proliferation, & Facts | Britannica
Nov 8, 2025 · Atomic bomb, weapon with great explosive power that results from splitting the nuclei of a heavy metal such as plutonium or uranium.
The Atomic Bomb - World War II (U.S. National Park Service)
The Manhattan Project facility at Hanford produced plutonium used in the Trinity test and Fat Man bomb. We are offering this Lights for Peace virtual experience to commemorate the atomic …
The Invention of the Atomic Bomb - ThoughtCo
Apr 30, 2025 · The Manhattan Project was a secret U.S. effort to build the atomic bomb during World War II. The U.S. dropped atomic bombs on Hiroshima and Nagasaki, leading to over …
Atomic Bomb: Nuclear Bomb, Hiroshima & Nagasaki - HISTORY
Sep 6, 2017 · The atomic bomb and nuclear bombs are powerful weapons that use nuclear reactions as their source of explosive energy. Scientists first developed nuclear weapons …
The Atomic Bomb | United States History II - Lumen Learning
Dropping the Atomic Bomb All belligerents in World War II sought to develop powerful and devastating weaponry. As early as 1939, German scientists had discovered how to split …
The Atomic Bombings of Japan - The National WWII Museum
Topic The Atomic Bombings of Japan By August 1945, the Japanese Empire was on the verge of defeat but still refused to surrender. However, a new weapon, unlike any other, would soon …
Science Behind the Atom Bomb - Nuclear Museum
Jun 5, 2014 · The U.S. developed two types of atomic bombs during the Second World War.
The History of the Nuclear Bomb: how Manhattan Project …
Sep 30, 2024 · The journey to the creation of the nuclear bomb began in the early 20th century, with groundbreaking discoveries in the field of nuclear physics. At the heart of the atomic …
Why were Atomic Bombs Dropped on Hiroshima and Nagasaki?
The bombing of Hiroshima and Nagasaki in August 1945 brought an end to the Second World War, but at a terrible cost to the Japanese civilian population, and signalling the dawn of the …
How was the atomic bomb a turning point in history?
Jul 2, 2025 · The atomic bombings of Hiroshima and Nagasaki in August 1945 represent a singular inflection point in human history. Beyond the immediate devastation, these events …