There are cold plasmas. Some of these "non thermal" plasmas have been used to disinfect wounds. It's odd to see a column of ionized air exiting a tube and impin

There are cold plasmas. Some of these "non thermal" plasmas have been used to disinfect wounds. It's odd to see a column of ionized air exiting a tube and impinging on bare skin, but it's one application in development for cold plasmas. [1] [1] https://en.wikipedia.org/wiki/Nonthermal_plasma https://en.wikipedia.org/wiki/Nonthermal_plasma