What is radiometric dating

The half-life of a radioactive isotope describes the amount of time that it takes half of the isotope in a sample to decay.In the case of radiocarbon dating, the half-life of carbon 14 is 5,730 years.

Impurities, such as dissolved air, are either forced out or concentrated in the last region to freeze. It so happens that uranium decays into lead with a half-life of 4.5 billion years.

There are many different kinds of radiometric dating that are used to date things that are non-organic (which is part of how we determine the age of the Earth).

They each rely on a couple of different (thoroughly verified) principles.

This is the beauty of fundamental research: you never know what you’ll find when you start poking around.

Founded in 2002 by Nobel Laureate Carl Wieman, the Ph ET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations.

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