Korra's Worldbuilding: How did technology advance so quickly? [ Avatar: The Last Airbender ]

From swords to sharks with fricken laser beams on their heads. Thank you so much to my patrons! If you want to support me - patreon/discord community:   / hellofutureme   INSTAGRAM:   / tim_hickson_hfm   Want to stop slavery AND get an awesome t-shirt?: https://www.teepublic.com/user/hellof... Learn more about our channel-sponsored charities: A21: http://www.a21.org/index.php?site=true WWF: https://www.worldwildlife.org/ My SECOND CHANNEL can be found via a link on my main page or at 'TwotheFuture'. Come join us! Email fanart/fanmail: hellofuturemeyt@gmail.com Twitter:   / timhickson1   Facebook:   / hellofutureme   IF YOU WANT TO SEND THINGS TO ME (address): Tim Hickson PO Box 69062 Lincoln, 7608 Canterbury, New Zealand The artist that designed my display pic! https://serem01.deviantart.com/ The artist who design my cover photo: https://raidesart.deviantart.com/   / raidesart     / raidesart   Credit for the background music I use in a LOT of my videos: Kevin MacLeod "Music for Manatees" Edited by Alexander Cuenin Stay nerdy, ~ Tim