Vacuum Tube Tesla Coil with the GU81M
21:23
Custom Transformer Shatters All Voltage Records (ft. 3D Printing Nerd)
21:29
Vacuum Tube Tesla Coil Review+schematic!
22:12
DIY Cubical Quad Antenna anyone can Build!
26:04
Vacuum Tube Tesla Coil - New idea for Primary Coil+Tuning
5:46
Parallel GU81M Tesla Coil (This already SCARES ME NOW!)
13:50
Vélo électrique mécanique
14:16
Russian Inventor Slobodian's Free Energy Infinity Generator and His Mysterious Death in 2020!
48:55