For example , a barely - visible ( 0.1 mm ) grain of sand contains around 10 nuclei and 10 electrons .
The principal motivation for quasiparticles is that it is almost impossible to directly describe every particle in a macroscopic system .
A barely - visible ( 0.1 mm ) grain of sand contains around 10 nuclei and 10 electrons .
The principal motivation for quasiparticles is that it is almost impossible to directly describe every particle in a macroscopic system .