half-life
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Why are any radioactive elements left?
Asked by RedDeerGuy1 | 4 responses -
Is the decay of a radioactive isotope predictable (causally determined) or not?
Asked by ETpro | 8 responses -
What is the half-life of the Rubidium-87 / Strontium-87 decay chain?
Asked by erikaVT | 4 responses -
What's the half-life of a crush?
Asked by nikipedia | 22 responses -
Who is the G-Man?
Asked by doggywuv from iPhone | 3 responses -
If I purchase the new Portal game from xbox live, will it ruin the original game for me?
Asked by andrew | 15 responses
