Little Boy

(redirected from Hiroshima bomb)
The code name for the bomb dropped on Hiroshima. Cf Fat Man.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Mentioned in ?
References in periodicals archive ?
Each of them has a destructive power thirty times that of the Hiroshima Bomb.
It will see trees planted from the Ginkgo tree damaged by the Hiroshima bomb, which represents regeneration after disaster.
More than 80,000 civilians died immediately as a result of the Hiroshima bomb, a device nicknamed 'Little Boy' by the US Air Force, and other 80,000 were believed killed in the Nagasaki attack by 'Fat Man'.
Former Army Major Merfyn Thomas, who met Mr Haines, said: "It's quite extraordinary that this gentleman survived the Hiroshima bomb, never mind anything else.
Nuclear experts said the blast was somewhere between four and 16 times as powerful as North Korea's previous largest explosion, which was about the size of the Hiroshima bomb. The most basic kind of nuclear weapon the kind experts say the North began with is known as an atomic bomb.
TOKYO -- Japan on Wednesday revised its estimate of North Korea's sixth nuclear test, saying that the recorded 160 kilotons explosion was ten times stronger than the Hiroshima bomb. (Issued at 11:50 local time or 08:50 GMT).
The most powerful nuclear weapon ever detonated was the H-bomb "( Tsar Bomba ," which was tested by the Soviet Union in 1961 and had a yield of at least 50 megatons, making it 3,800 times more powerful than the Hiroshima bomb. The bomb is 100 megatons and reportedly has a fireball radius of 1.88 miles and a radiation radius of 4.65 miles. To date, H-bombs have never been used in war.
I'm sure your readers are aware that the current Trident system consists of four nuclear-powered submarines, each of which carries eight American Trident missiles (leased to the UK), each of which carries up to five British nuclear warheads, each of which is eight times more powerful than the Hiroshima bomb, which killed about 140,000 people.
The nucleus of uranium-235, the isotope used in the Hiroshima bomb, consists of 92 protons and 143 neutrons.
There's a different way of looking at the Hiroshima bomb. It's often mentioned by the hibakusha (bomb survivors) who struggle to give meaning to the horrors they experienced.
Among the 11 photographers whose work goes on display from Thursday is late photojournalist - and most famous 20th-century exponent of Japanese photo-realism - Ken Domon, whose post-war images included those of survivors of the Hiroshima bomb.
They communicated this information to the Americans, who years later made the Hiroshima bomb using highly enriched uranium (HEU).