![]() Medicine, Oncology, Dentistry, Physiology, Epidemiology, Infectious Disease, Pharmacy, Human Body Psychology, Cognitive Psychology, Developmental Psychology, Abnormal, Social Psychology Social Science, Political Science, Economics, Archaeology, Anthropology, Linguisticsīiology, Evolution, Morphology, Ecology, Synthetic Biology, Microbiology, Cellular Biology, Molecular Biology, Paleontology Mechanical Engineering, Electrical Engineering, Structural Engineering, Computer Engineering, Aerospace EngineeringĬhemistry, Organic Chemistry, Polymers, Biochemistry Mathematics, Statistics, Number Theory, Calculus, AlgebraĪstronomy, Astrophysics, Cosmology, Planetary FormationĬomputing, Artificial Intelligence, Machine Learning, ComputabilityĮarth Science, Atmospheric Science, Oceanography, Geology Theoretical Physics, Experimental Physics, High-energy Physics, Solid-State Physics, Fluid Dynamics, Relativity, Quantum Physics, Plasma Physics /r/AskScienceDiscussion: For open-ended and hypothetical questions.FAQ: In-depth answers to many popular questions.Weekly Features: Archives of AskAnything Wednesday, FAQ Fridays, and more!.Be civil: Remember the human and follow Reddiquette. ![]() Report comments that do not meet our guidelines, including medical advice.Downvote anecdotes, speculation, and jokes.Upvote on-topic answers supported by reputable sources and scientific research.Answer questions with accurate, in-depth explanations, including peer-reviewed sources where possible.This is not just a game changer it’s a game over,” Suh said.Please read our guidelines and FAQ before posting “North Korea has effectively established itself as a nuclear state. Kune Y Suh, a nuclear engineering professor at Seoul National University, called Sunday’s test a “game changer”. Other nations may also either have it or are working on it, despite a worldwide effort to contain such proliferation. ![]() The hydrogen bomb is the global standard for the five nations with the greatest nuclear capabilities: the US, Russia, France, the UK and China. But governments sometimes do crazy things.” “It’s like buying a Porsche to go shopping in a shop nearby… It’s a very expensive programme which will not really make a major contribution towards their security. “For the North Koreans to have such a powerful and expensive is a bit of overkill – it simply does not make sense,” Lankov said. While much more potent, H-bombs are also much more costly. READ MORE: World leaders unite in condemnation of North Korea “With an atomic bomb, you can kill half of Manhattan, at most.” “Such a device could evaporate the entire city of New York completely – no one would stay alive,” Andrei Lankov, a professor of Korean studies at Kookmin University in Seoul, told Al Jazeera. It can also be made small enough to fit on a head of an ICBM. The technology of the hydrogen bomb is more sophisticated, and once attained, it is a greater threat. Stars also produce energy through fusion.Ītomic bombs rely on fission, or atom-splitting, just as nuclear power plants do. ![]() The hydrogen bomb, also called a thermonuclear bomb, uses fusion – or atomic nuclei coming together – to produce explosive energy. However, the latest test is estimated to have a yield of about 100 kilotons, 10 times stronger than last year’s test that caused a 5.3 magnitude quake.Ī jubilant North Korean newsreader hailed the “unprecedentedly large” blast on state television, adding it “marked a very significant occasion in attaining the final goal of completing the state nuclear force“. North Korea’s first three nuclear tests from 2006 to 2013 were atomic bombs on roughly the same scale as the ones used on Hiroshima and Nagasaki, which together killed more than 200,000 people. Hydrogen bombs, or H-bombs, are far more powerful than the relatively simple atomic weapons North Korea was believed to have tested so far.Īs opposed to the atomic bomb – the kind dropped on Japan by the US in the closing days of World War II – the hydrogen bomb can be 1,000 times more powerful. North Korea has long sought the means to deliver an atomic warhead to the United States, its sworn enemy, and its latest nuclear test followed reports it could load a hydrogen bomb onto an intercontinental ballistic missile (ICBM). ![]()
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