I'm working on a team to build alternative YouTube recommendations. You can search a channel to get a list of similar channels. Our list for Asianometry includes the Asia Society's official channel which has videos of public talks on Asian geopolitics, TechTechPotato which covers semiconductor chips, and Dongfang Hour covering the Chinese space program, as well as dozens more channels covering hardware and asian geopolitics (sometimes both!):
https://channelgalaxy.com/id%3DUC1LpsuAUaKoMzzJSEt5WImw/