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Nuclear explosion - Wikipedia
A nuclear explosion is an explosion that occurs as a result of the rapid release of energy from a high-speed nuclear reaction. The driving reaction may be nuclear fission or nuclear fusion or a multi-stage cascading combination of the two, though to date all fusion-based weapons have used a fission device to … See more
The beginning (fission explosions)
The first manmade nuclear explosion occurred on July 16, 1945, at 5:50 am on the Trinity test site near Alamogordo, New Mexico, … See moreTwo nuclear weapons have been deployed in combat—both by the United States against Japan in World War II. The first event occurred … See more
Shockwaves and radiation
The dominant effect of a nuclear weapon (the blast and thermal radiation) are the same physical damage mechanisms as conventional explosives, but the energy produced by a nuclear explosive is millions of times more per … See moreWikipedia text under CC-BY-SA license Effects of nuclear explosions - Wikipedia
The high temperatures and radiation cause gas to move outward radially in a thin, dense shell called "the hydrodynamic front". The front acts like a piston that pushes against and compresses the surrounding medium to make a spherically expanding shock wave. At first, this shock wave is inside the surface of the developing fireball, which is created in a volume of air heated by the explosion…
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 10 mins
NUKEMAP by Alex Wellerstein
NUKEMAP is a website for visualizing the effects of nuclear detonations.
Nuclear Blasts: Frequently Asked Questions | Radiation …
Apr 10, 2024 · A nuclear blast, produced by explosion of a nuclear bomb (sometimes called a nuclear detonation), involves the joining or splitting of atoms (called fusion and fission) to …
What happens when a nuclear bomb explodes? | Live …
Aug 1, 2023 · For instance, a 10-kiloton nuclear weapon, equivalent to the size of the Hiroshima and Nagasaki bombs, would immediately kill about 50%t of the people within a 2-mile (3.2 km) radius of ground...
What is a nuclear explosion? - AF
It is an explosion that occurs as a result of the rapid release of energy from a nuclear device detonation. Nuclear explosions can cause significant damage and casualties from blast, heat, and radiation but you can keep your family safe by …
Nuclear Detonation: Weapons, Improvised Nuclear …
Jan 2, 2025 · The energy released in a nuclear explosion derives from the splitting (fission) of radioactive materials, e.g. Uranium-235 and Plutonium-239. Bombs dropped on Hiroshima and Nagasaki, Japan at the end of World War II …
Nuclear weapon - Radiation, Fallout, Destruction
3 days ago · When a nuclear weapon detonates, a fireball occurs with temperatures similar to those at the center of the Sun. The energy emitted takes several forms. Approximately 85 percent of the explosive energy produces air …
State, local, tribal, and territorial (SLTT) entities must be prepared to address the challenges of responding to a nuclear detonation. This document describes the considerations, planning …
Nuclear Blast - California Department of Public Health
A nuclear blast, produced by the explosion of a nuclear bomb (sometimes called a nuclear detonation), involves the joining or splitting of atoms (called fusion and fission) to produce an …
Video Shows Explosion at Chernobyl Nuclear Power Plant
Feb 14, 2025 · new video loaded: Video Shows Explosion at Chernobyl Nuclear Power Plant Ukraine said that a Russian drone had hit a shelter constructed to prevent radiation leaks at …
The Devastating Effects of Nuclear Weapons
Mar 2, 2022 · Richard Wolfson and Ferenc Dalnoki-Veress reveal the most horrifying realities of nuclear war. What can nuclear weapons do? How do they achieve their destructive purpose? …
Damage Zones after a Nuclear Detonation: Idealized Maps
Representative damage zones for hypothetical 0.1, 1.0 and 10kT nuclear explosions. Circle areas are idealized for planning purposes and illustration, and are unlikely to be this symmetrical.
Immediate Actions to Take When a Nuclear Detonation Occurs
Apr 23, 2024 · Upon recognition that a nuclear detonation has occurred, hospitals should immediately activate their disaster response plan and Incident Command System (ICS). First …
What Happens if a Nuclear Weapon Goes Off in Space?
Jun 13, 2024 · Now, some six decades after the last nuclear detonation in Earth orbit, the threat of another has emerged with the Department of Defense warning about a potential Russian …
What stops nuclear weapons from accidentally detonating?
Feb 11, 2023 · There are a few strategies for keeping nuclear weapons from accidentally detonating, including where and how the nuclear components are stored.
detonation effects in a computer-generated but realistic city to help first responders understand the size, scale, and expected impacts of a nuclear explosion.
Visualizing a Nuclear Detonation and Response Fact Sheet
Apr 21, 2023 · DHS S&T (NUSTL, in partnership with DOE LLNL, is developing science-based visualizations that will depict nuclear detonation effects in a computer-generated but realistic …
Have you included education on protective actions for nuclear detonation in your public outreach efforts? Providing information that people can survive a nuclear detonation and explaining the …
Manhattan Project: Processes > Bomb Testing and Weapon …
Heat is one of the three principal effects of a nuclear explosion (along with blast and nuclear radiation). Thermal radiation, or heat, is emitted in the first few seconds after detonation and is …
The Cold War nuclear test that turned the sky crimson
Feb 10, 2025 · During the height of the Cold War, the U.S. military and atomic scientists decided to fire some nuclear rockets into space. The goal wasn’t to see how much damage the nuclear …
Nuclear Detonation - ScienceDirect
Jan 1, 2024 · Given the potential consequences of a nuclear detonation, planning for such a scenario is extremely challenging. This chapter explores the mitigation, preparedness, and …
Chernobyl disaster - Wikipedia
The Chernobyl disaster was a nuclear accident that began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in northern …
US military launches unarmed nuclear missile in Southern California
3 days ago · The military successfully launched an unarmed intercontinental ballistic missile (ICBM) in Southern California to test and show off US nuclear capabilities. The Minuteman III …
Oil Tankers Rocked by Mystery Blasts After Trips to Russia
3 days ago · At least four oil tankers have been hit with explosions so far this year — all of them having visited Russia’s territorial waters in the weeks prior to the blasts happening.