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[8] The piece used sound and light to startle the viewer. [9] Months (measured in seconds) are represented by a sound. [10] When a nuclear explosion occurs, a musical sound plays. [11] Different countries have different tones, which sometimes results in a polyphonic composition, [11] overwhelming the viewer.
Hiroshima was the primary target of the first atomic bombing mission on 6 August, with Kokura and Nagasaki as alternative targets. The 393rd Bombardment Squadron B-29 Enola Gay, named after Tibbets's mother and piloted by Tibbets, took off from North Field, Tinian, about six hours' flight time from Japan, [126] at 02:45 local time. [127]
The bomb fell on the bomb-bay doors, smashing them open and going into a 15,000 feet (4,572 m) free fall. The high-explosive detonator went off after it hit the ground 6.5 miles east of Florence, South Carolina, in Mars Bluff, creating a 70 feet (21 m) wide crater, 30 feet (9 m) deep. [41] A nearby house was destroyed and several people were ...
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
AGM-129A cruise missile in flight. At the time of the incident, the 5th Bomb Wing was commanded by Colonel Bruce Emig, the 2nd Bomb Wing by Colonel Robert Wheeler, the 8th Air Force by Lieutenant General Robert J. Elder Jr., and Air Combat Command (ACC) by General Ronald Keys.
A re-analysis of data published in 2021 put the yield at 24.8 ± 2 kilotons of TNT (103.8 ± 8.4 TJ). [ 106 ] As a result of the data gathered on the size of the blast, the detonation height for the bombing of Hiroshima was set at 1,885 feet (575 m) to take advantage of the Mach stem blast reinforcing effect. [ 139 ]
A time bomb's timing mechanism may be professionally manufactured either separately or as part of the device, or it may be improvised from an ordinary household timer such as a wind-up alarm clock, wrist watch, digital kitchen timer, or notebook computer. The timer can be programmed to count up or count down (usually the latter; as the bomb ...
A bomb was mistakenly dropped by a U.S. Air Force Boeing B-47E-LM Stratojet near Savannah, Georgia when a man in the bomb bay area grabbed the emergency release pin by accident. Similar to the 1957 incident, safety precautions meant that the plutonium was not mounted to the bomb but rather stored elsewhere on the plane at the time.