An engineer built a Tesla-coil quartet that plays music using controlled lightning ⚡️ Tesla coils can be tuned to turn high-voltage arcs into audible notes, and in this setup, four coils combine to play “Better Off Alone” as a literal musical quartet. Each arc has to hit at the exact moment, because even the slightest fluctuation can throw off the melody 🤯 🎥: @franzolielectronics 👉 Follow @edm for the latest in dance music | EDM.com