the.com/fermion
Matter's loners — two can't occupy the same spot, which is why you don't fall through your chair.
means A fermion is a class of particle (like electrons, protons, and neutrons) that obeys the Pauli exclusion principle, meaning no two identical fermions can occupy the same quantum state at once.
from Named after physicist Enrico Fermi, who along with Paul Dirac worked out the statistical rules these particles follow — 'Fermi-Dirac statistics.' The term 'fermion' itself was coined later, by Paul Dirac, to label any particle obeying that exclusion behavior, distinguishing it from 'bosons' (named for Satyendra Nath Bose), which happily pile into the same state together.
- spin type
- half-integer spin, unlike bosons
- pauli exclusion
- no two can share one quantum state
- examples
- electrons, quarks, protons, neutrons
- why solid matter exists
- exclusion keeps atoms from collapsing into each other