magic eye electron ray tube
electron ray tube magic eye
electron electron interactions
electron electron scattering
electron-electron interaction
electron-electron interacton
electron-electron scattering
pi-electron (=π-electron)
strong electron-electron correlation
electron channeling contrast in scanning electron microscopy
electron gun for electron scrubbing
electron temperature and electron density
electron-hole liquid drop (=electron-hole droplet)
hard-electron (=high-energy electron)
inner electron (=inner-shell electron)
p-electron (= pi electron)
an eye for an eye and a tooth for a tooth