Making metal glow 'white hot' but cool to touch, yet another testimony...

Given the mounting evidence from multiple sources, 'spectrographic emissions' and metal 'vaporisation' cannot be used reliably to determine potential energy yield from novel energy systems.

Partial transcript includes details of how Dupont battery researchers were able to make metal objects disappear or levitate, just by causing a huge spark when throwing the switch on large batteries.

https://steemit.com/steemstem/@mfmp/dr-andrija-puharich-rare-interview-discussing-nikola-tesla-partial-transcription

Most likely time of recording is estimated to be early 80s.

Tip off: Francois Toussaint