plasma needle
1 millimetre plasma glow at 250V (about 0.1 W). The glow is cold enough to be touched (image credit: E Stoffels et al. 2003 J. Phys. D: Appl. Phys. 36 2908)
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A website from the Institute of Physics
A website from the Institute of Physics
1 millimetre plasma glow at 250V (about 0.1 W). The glow is cold enough to be touched (image credit: E Stoffels et al. 2003 J. Phys. D: Appl. Phys. 36 2908)