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How many nuclear bombs have been used?The first nuclear bomb test, conducted in 1945, set off an international arms race that included nuclear testing. But how many nuclear bombs have been detonated during tests and in active war?
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Korean War: Causes, combatants and key battlesReference The Korean War, 1950-1953, began with the communist North Korean invasion of South Korea and was halted by an armistice without a formal peace treaty.
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What is cyberwarfare?Reference Criminals spies, hackers and viruses: How the battles of the future will be fought across the internet
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North Korea tests new hypersonic weapon: reportsNorth Korean state media declared the test of the Hwasong-8 a success, but outside experts are skeptical.
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North Korea's Short-Range Missile Test Spotted from SpaceSaturday's test was the first in 18 months by North Korea.
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Here's the Science Behind Finding North Korea's Nuclear WeaponsRemote monitoring can reveal a lot.
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Satellite Images Reveal North Korea's Missile Program Is Very Much AliveNorth Korea's missile program has not actually been dismantled, according to a report published this weekend.
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What Secrets Lurk in Kim Jong Un's Personal Toilet?Kim Jong Un is apparently protective of his poo. Can it really reveal state secrets?
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Nuclear Bomb Test Moved North Korea MountainSatellite images give scientists an idea of the aftereffects of North Korea's latest nuclear test.
