Business Insider
A test-launch of a North Korean ballistic missile. Nuclear weapons are humankind's most fearsome creations. In a matter of minutes, one nuclear-armed nation can level dozens of cities, spread radioactive fallout for hundreds or thousands of miles, and wreck Earth's climate. Most people are familiar with the basics: Slap together enough uranium or plutonium and - kaboom! - you have a nuclear blast. But the details of how these complex devices are made, delivered, and controlled can make the Read the full story
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