Tesla Wanted to Keep Power Cables Frozen

US655838 (1900) proposes maintaining insulating material in a frozen state with circulating coolant. We follow hollow conductors, separate cooling channels and the trade-off between electrical losses and cooling costs. Original qualitative models and patent details; no superconductivity, adoption or measured-efficiency claim. 00:00 Insulation as a maintained condition 01:09 The 1900 patent 02:06 Heat keeps entering 03:41 Outward and return paths 05:13 The entire route 06:17 The cooling trade-off Production: synthetic English narration; labeled AI editorial illustrations and original explanatory animations. Historical documents are identified separately. English audio; EN/DE/JA subtitles. Independent channel, not affiliated with Tesla, Inc. PRIMARY SOURCES https://patents.google.com/patent/US6... https://patentimages.storage.googleap...