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arrow-up19arrow-down1external-linkSmashing idea: how East Germany invented 'unbreakable' drinking glasseswww.theguardian.combot@lemmy.smeargle.fansMB to Hacker News@lemmy.smeargle.fans · 3 months agomessage-square0fedilinkfile-textcross-posted to: history@hexbear.netsachsen@feddit.orgworldinprogress@lemmy.worldbuyitforlife@slrpnk.net