Скачать или смотреть The TRUTH about the KATANA, part 4: Differential hardening

There are so many misconceptions about the katana (samurai sword) by both those who hate the sword (the katana bashers) and those who love it (the katana fanboys). Well the time has come to uncover the TRUTH!

(I judge all footage and images used within this video to accurately reflect what the individual creators wished to show)

Videos featured:
Several clips from the not so accurate PBS documentary, Secrets of the Samurai Sword(full documentary)HD:
   • Видео  
Clips of atomic steel formations, Iron crystal structures:
   • Видео  
Blowtorch temper, Intro to heat treatment of steel (hardening and tempering):
   • Intro to heat treatment of steel (hardenin...  
Epic sword flex, Ryan Sword Custom "Eldoris Messer" flex test and review teaser:
   • Видео  
Sword flex in use, Sword & Spear Cast Blow and Overarm Slide Reply to Lindybeige and Arthurian Historian:
   • Sword & Spear Cast Blow and Overarm Slide ...  
Katana chopping wood and barrel, T-10 Tool Steel Katana - Destructive Testing:
   • T-10 Tool Steel Katana - Destructive Testing  
Longsword cutting pig flesh with flex, footage from documentary Reclaiming the Blade:
   • Видео  
Spring steel katana break, konron 9260 katana tested too the bone cam2:
   • konron 9260 katana tested too the bone cam2  
Katana vs Longsword mega stess tests, Katana vs. Longsword - Part 1 (ENGLISH SUBTITLES):
   • Katana vs. Longsword - Part 1 (ENGLISH SUB...  
Katana vs. Longsword - Part 2 (ENGLISH SUBTITLES):
   • Katana vs. Longsword - Part 2 (ENGLISH SUB...