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Behold The Hyundai Uni Wheel. Transportation May Never Be The Same
(cleantechnica.com)
This is a most excellent place for technology news and articles.
Honestly, I get most of my knowledge from watching a bunch of youtube videos, so it's not like you're talking to an engineer or anything haha
But I do usually like to pick out the more technical videos, explaining the theory behind all this, so I guess I picked up on some things ^^