sumberbr Facebook:br realengineering1 br Instagram:br brianjamesmcmanus br reddit:br realengineering br Twitter:br thebrianmcmanus br Perselisihan:br discord br br Dapatkan kaos Real Engineering Anda di: br Kredit:br PenulisNarator: Brian McManusbr Editor: Dylan Hennessy ( Animator: Mike Ridolfi ( Animasi 3D: Eli Prentenbr :Suara: Graham Haerther ( Gambar kecil: Simon Buckmaster forgottentowel br br br Referensi:br br [1] [2] ... br [3] [4] [5] [6] [7] Terima kasih kepada AP Archive atas akses ke rekaman arsip mereka.br br Musik oleh Epidemic Sound: br Lagu:br Oktavium - Robert Ruthbr Pikiran Meleleh - Max Ansonbr Kontrol Pelayaran - Martin Baekkevoldbr Wisatawan - Ran the Manbr Mekar - Pewarna Obr Melampaui Sungai dan Debu - Alec Slaynebr br br Terima kasih kepada pendukung patreon saya: Adam Flohr, Henning Basma, Hank Green, William Leu, Tristan Edwards, Ian Dundore, John & Becki Johnston. Nevin Spoljaric, Jason Clark, Thomas Barth, Johnny MacDonald, Stephen Foland, Alfred Holzheu, Abdulrahman Abdulaziz Binghaith, Brent Higgins, Dexter Appleberry, Alex Pavek, Marko Hirsch, Mikkel Johansen, Hibiyi Mori.