Eli5 What is Plasma?

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I can’t grasp the concept of it. And why and how is harnessing it from our bodies help cure diseases?

In: Physics

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Solids, liquids, and gases are all different structures of molecules (collections of atoms) in a given space. The way they behave or fill that space is different depending on the state they’re in. The molecules in solids stay put; liquids fill a space but remain more together than gases; gases don’t really stay together. For each state of matter the bonds between atoms are weaker than the last. Also, the more heat you apply to something the weaker those bonds become and therefore with many materials the hotter it is the more it goes from solid to liquids, and so on. The component parts of the atoms that make up the molecules don’t change in these states of matter.

With plasma, the components of those atoms also stray from their nucleus. The heat it takes for this will also mean the state of the matter up until ionisation is gaseous.

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