Since then, the amount of water only fills a bathtub, but one drop of red ink continued to fall into the bathtub each year.
With so little water to dilute the red ink, the water’s pinkness steadily increased, but not indefinitely. Because each molecule of this imaginary ink has a half-life of 5,730 years, a point was reached when as many molecules of red ink disappeared each year as fell into the bathtub.
We stick the garden hose in and turn it on full blast.
The water coming out of the hose is analogous to the continuous production of carbon-14 atoms in the upper atmosphere.
They used pottery and other materials in sites to date 'relatively'.
They thought that sites which had the same kinds of pots and tools would be the same age.
Rasmus Nyerup's quote reminds us of the tremendous scientific advances which have taken place in the 20th century.