Interestingly, in physics, plasmaInterestingly, in physics, plasma is the often overlooked fo... is the often overlooked fourth state of matter, aside from solid, liquid and gas. PlasmaInterestingly, in physics, plasma is the often overlooked fo... is ionized gas containing free electrons, making it responsive to electromagnetism, and conductive of electricity, in turn enabling it to take a very visible physical shape unlike other forms of gas. The stars are made of plasmaInterestingly, in physics, plasma is the often overlooked fo...; so is lightening and the Northen Lights (Aurora Borealis). PlasmaInterestingly, in physics, plasma is the often overlooked fo... display screens also basically employ this effect.