Radiometric dating

▸ Loading the grid of parent (radioactive) → daughter (stable) atoms…

▸ Computing N = N₀·(½)^(t/T½)

▸ Loading C-14 · U-Pb · K-Ar · Rb-Sr…

▸ Calibrating the "clock start" of each method

▸ Online. ✅

Now showing

🪨 Isotope

Half-life T½—

Parent remaining—

Half-lives—

Estimated age—

Scenario—

Reading the age

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Drag Time to let parent atoms decay into daughters · pick an isotope / scenario in the right column

% of parent atoms remaining over timeparent