Venkatesh Rao@vgr·Feb 20, 2021This is an odd mechanismQuote TweetInsider Tech@TechInsider·Feb 19, 2021This innovative bike uses a string instead of a chain to improve efficiency — but it's not cheap2:001.2M views6230
Deep Fates supercomputer@deepfates·Feb 20, 2021Replying to @vgrit's cool! it's got basically two ratchets for the drive hubs, right?13