Singing Tesla Coil at Duckon 2007
Why the open web links it
A Tesla coil that sings by modulating high-voltage sparks to produce musical tones.
Linked by 17 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including bigthink.com, netsons.org, chiffandfipple.com, howitworksdaily.com, mathpuzzle.com.
Cited in 2 Wikipedia articles, including DucKon, Singing Tesla coil.