AC Circuits - Impedance & Resonant Frequency

Stranger learn on Instagram: "The post features a close-up clip of a plasma globe where bright purple filaments bend and concentrate toward a hand placed on the glass, prompting surprise over how electricity appears to react through an insulating surface. The visual effect makes it seem as though current is passing directly through the glass to follow the touch. In practice, the phenomenon is explained by capacitive coupling rather than conduction. The globe uses high-frequency alternating curre