ld in a plasma double layer is so effective at accelerating ions that electric fields are used in ion drivesThis is just a partial list of topics. A more complete and organized list can be found on the Web site for Plasma science and technology.[20]Plasma theoryPlasma equilibria and stabilityPlasma interactions with waves and beamsGuiding centerAdiabatic invariantDebye sheathCoulomb collisionPlasmas in natureThe Earth's ionosphereSpace plasmas, e.g. Earth's plasmasphere (an inner portion of the magnetosphere dense with plasma)Astrophysical plasmaIndustrial plasmasPlasma chemistryPlasma processingPlasma SprayPlasma displayPlasma sourcesDusty PlasmasPlasma diagnosticsThomson scatteringLangmuir probeSpectroscopyInterferometryIonospheric heatingIncoherent scatter radarPlasma applicationsFusion powerMagnetic fusion energy (MFE) — tokamak, stellarator, reversed field pinch, magnetic mirror, dense plasma focusInertial fusion energy (IFE) (also Inertial confine