10^-35 seconds The Big Bang 10^-6 seconds after the Big Bang The Universe Takes Shape 3 seconds after the Big Bang Formation of Basic Elements 10,000 years after the Big Bang The Radiation Era ...
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Cold War-Era Radiation Detector – Does It Still Work?Straight out of the Cold War, this vintage radiation detector was built to survive nuclear fallout—but can it still detect radiation today? We put it to the test, explore its history, and see how it ...
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