Potassium dating definition

These isotopes are stable, which is why they are with us today, but unstable isotopes are also present in minute amounts.

About one carbon atom in a trillion (10) contains a radioactive nucleus with 6 protons and 8 neutrons — carbon 14.

Without nuclei, we simply would not exist, and it is important to understand why!

NUPEX provides a free database of knowledge, created and maintained by expert nuclear physicists from all over Europe.

Nuclear Physics is the study of the properties and behaviour of nuclei and particles, ranging from tiny quarks to giant explosions deep in space.

Nuclear physics is important in a vast variety of situations, from understanding how the Sun provides the energy for life on this planet, to nuclear power plants and radiation therapy.

NUPEX aims to provide teachers and students with reliable, up-to-date information on nuclear science in several major European languages.

The information on this site is interesting and easy to understand, with helpful visual aids and explanations at every step of the way.

Coal and petroleum are the fuels that powered the Industrial Revolution.

This rare, unstable isotope is produced from ordinary nitrogen 14.

In earth's upper atmosphere, on the edge of what is commonly called outer space, light atomic nuclei from unknown sources outside of our solar system traveling at speeds approaching the speed of light called rain down continuously.

Fossil fuels are the remains of long dead plants that were buried in sediment tens to hundreds of millions of years ago (coal being made primarily from land plants and petroleum from plankton and algae). Drinking ethanol (which is usually just called alcohol) is made from the fermented sugars of plants (grains like barley, wheat, rye corn, or rice; fruits like grapes or apples; vegetables like sugarcane or agave; or the nectar of plants collected by bees called honey). The carbon in the ethanol that came from plants will be relatively rich in C are not.

This means that the ethanol you might put inside yourself (the ethanol you might drink) will be slightly radioactive, while the ethanol you'd never consume (the ethanol you might wipe your skin with) will not be.

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