Radioactive carbon dating video


22-May-2018 07:56

Based on a discipline of geology called stratigraphy, rock layers are used to decipher the sequence of historical geological events.

Relative techniques can determine the sequence of events but not the precise date of an event, making these methods unreliable.

Another absolute dating method is thermoluminescence, which dates the last time an item was heated.

It is the only method that can be used to date rocks, pottery and minerals for dates that are approximately between 300 to 10,000 years old.

For hundreds of years alchemists toiled in their laboratories to produce a mythical substance known as the philosopher’s stone.

The supposedly dense, waxy, red material was said to enable the process that has become synonymous with alchemy— the metamorphosis, or transmutation, of base metals such as lead into gold.

Here we come to the question of how accurate the dates are that we currently have regarding the history of the human race and our planet.

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The first method was based on radioactive elements whose property of decay occurs at a constant rate, known as the half-life of the isotope.

Alchemists have often been dismissed as pseudoscientific charlatans but in many ways they paved the way for modern chemistry and medicine.