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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 made of plutonium-gallium: two hemispheres and an anti-jet ring, designed to keep neutron flux from "jetting" out of the joined surface between the hemispheres during implosi
Daghlian was irradiated as a result of a criticality accident that occurred when he accidentally dropped a tungsten carbide brick onto a 6.2 kg bomb core made of plutonium–gallium alloy. This core, subsequently nicknamed the "demon core", was later involved in the death of another physicist, Louis Slotin.
The 35-year-old Canadian physicist and Manhattan Project scientist died as the result of an accident while performing an experiment called "tickling the dragon's tail" with a plutonium core which came to be known as the "demon core". His screwdriver slipped, exposing him to a fatal dose of radiation.
Some take enormous poetic license with the truth. For example, death No. 692 – "Gone Fission", a story of two hapless Yemeni terrorists in 2009, implausibly attempting to build an atomic bomb, was based on the real Demon Core accident involving U.S. scientist Harry Daghlian in 1945.
"The demon core, destined for use in a weapon of mass destruction, was designed to have a hair trigger. It was meant to be in a “-5 cents” configuration, meaning that it would take only 5 percent more plutonium for the core to go supercritical and result in a radiation accident. In other words, the core was always right on the edge of going ...
M.D. Geist (Japanese: 装鬼兵M.D.ガイスト, Hepburn: Sōkihei M.D. Gaisuto, literally "Armoured Demon Soldier M.D. Geist") is an anime and comic book series about a post-apocalyptic world. Geist (the main character) is colloquially referred to as Most Dangerous Soldier , genetically engineered to outperform other soldiers during a long war ...
Kemono Jihen (怪物事変, lit. "Monster Incidents") is a Japanese manga series written and illustrated by Sho Aimoto. It has been serialized in Shueisha's shōnen manga magazine Jump Square since December 2016 and has been collected in twenty-two tankōbon volumes as of November 2024.
In the 25th century, a spaceship carrying 300 scientists leaves the Earth in search of a new world in the Solar System, but an unexpected accident occurs. They encountered a black hole that is connected to another universe through space and time. The people on board abandoned their ship and ejected emergency capsules to a planet called Ismo.