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However, this still constrained the bomb to a maximum length of 11 feet 3.

There may be other possible environmental sources, some of which are under investigation, such as certain plastic containers.

All gun-type work in the was directed at the Little Boy, enriched-uranium gun design, and the Los Alamos Laboratory was reorganized, with almost all of the research focused on the problems of implosion for the Fat Man bomb.

Plutonium core surrounded by 5,300 lbs of high explosives; plutonium core reduced to size of tennis ball• Mitsubishi's industrial production in the city was also severed by the attack; the dockyard would have produced at 80 percent of its full capacity within three to four months, the steelworks would have required a year to get back to substantial production, the electric works would have resumed some production within two months and been back at capacity within six months, and the arms plant would have required 15 months to return to 60 to 70 percent of former capacity.

Use: Dropped on Japanese city of ; August 9, 1945• Conant informed director Brigadier General , who in turn assembled a special committee consisting of Lawrence, Compton, Oppenheimer, and McMillan to examine the issue.

Bombing of Nagasaki [ ] Bockscar lifted off at 03:47 on the morning of 9 August 1945, with as the primary target and the secondary target.

The impracticability of a gun-type bomb using plutonium was agreed at a meeting in Los Alamos on 17 July 1944.

Quotes are not an offer of credit.

After Christy's report, the solid-plutonium core weapon was referred to as the "".

Wellerstein, Alex 23 December 2013.