My husband is a mechanical engineer, so when he sends me a link saying, "Wow, look at how aluminum cans are manufactured!" I take his excitement with a grain of salt. But this time, his nerdy enthusiasm was 100% warranted. This video is fascinating! Flanges and clever pull tabs for the win!
→ Read (and Watch!) More: Why the Simple Aluminum Can Is Actually a Brilliant Piece of Engineering with EngineerGuy Bill Hammack via Gizmodo