medium
moving media
layered media
isotropic medium
linear medium
conducting medium
multiplying medium
homogenous medium
anisotropic medium
anisotropic medium
color medium
particle
albedo particle
alpha particles
long range alpha particle
free particle
coated particle
beta particle
Bose-Einstein particle
fundamental particle
Dirac particle
Fermi-Dirac particle
product particle
elementary particle
Klein-Gordon particles
incident particle
material particle
charged particle
bombarding particle
ionizing particle
