Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, ...

Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, ...

This approach is also applicable to a number of other variables found in quantum-scale particles, including particle spin.

This approach is also applicable to a number of other variables found in quantum-scale particles, including particle spin.