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150,000–246,000. On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki. The bombings killed between 150,000 and 246,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict. Japan surrendered to the Allies on 15 August, six days ...
Belarus. Kazakhstan. Ukraine. v. t. e. Eight sovereign states have publicly announced successful detonation of nuclear weapons. [1] Five are considered to be nuclear-weapon states ( NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). In order of acquisition of nuclear weapons, these are the United States ...
Mark 1 – "Little Boy" gun-type uranium weapon (used against Hiroshima). (13–18 kilotons, 1945–1950) Mark 2 – "Thin Man" plutonium gun design—cancelled in 1944. Implosion Mark 2 – Another Manhattan Project plutonium implosion weapon, a hollow pit implosion design, was also sometimes referred to as Mark 2. Also cancelled 1944.
It is almost 80 years since the atomic bombs were dropped on Hiroshima and Nagasaki and time is running out for the surviving victims - known as hibakusha in Japan - to tell their stories.
The demon core (like the core used in the bombing of Nagasaki) was, when assembled, a solid 6.2-kilogram (14 lb) sphere measuring 8.9 centimeters (3.5 in) in diameter. It consisted of three parts: two plutonium-gallium hemispheres and a ring, designed to keep neutron flux from "jetting" out of the joined surface between the hemispheres during ...
The false claim that a 14-year-old student built an atomic bomb as a science project originates from a satirical website. Fact check: False claim of student creating atomic bomb for science ...
Log–log plot comparing the yield (in kilotonnes) and mass (in kilograms) of various nuclear weapons developed by the United States.. The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene ...
To help understand the impact of a nuclear blast, the closest private approximation might be a simulator called Nukemap, which embarked on the task of providing us with context around the harm ...