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Comment Carbon dating... (Score 1) 336

ahref=> only works for things up to ~50,000 years old, so it wasn't used for those old rocks. For things older than ~100,000 years folks use ahref=>. The applicable time period is based on the half-life of the isotope. Carbon-14 has a half-life of 5730 years while Potassium-40's is 1.248e9 years.

Comment Re:Take that china (Score 1) 183

Copernicium is named after Copernicus; regarded as the father of modern astronomy and whose heliocentric model is considered as a crucial starting point of the Scientific Revolution

Copper is apparently from the Latin cuprum, which is from the word cyprian, a more general word for copper and bronze alloys, itself derived from the name of the island Cyprus where the metal was mined.

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