The unpredictable rhythm of radioactive decay
In short: While we cannot predict when a single nucleus will decay, the concept of half-life provides a reliable way to measure the passage of time in large samples.
This video explains the mechanics of half-life, defined as the specific duration needed for fifty percent of a radioactive sample to decay. While the decay of an individual nucleus is impossible to forecast and the rate of decay cannot be altered or forced, the behavior of large groups of nuclei is mathematically predictable.
Understanding this constant rate is essential for practical applications such as radiometric dating, allowing scientists to calculate how much of a substance remains after a set period.
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Sources
- Summary by Intellect · source: Half-life | Physics | Khan Academy
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