Bill Hammack of Engineer Guy explains the engineering behind the aluminum beverage can: why it is cylindrical, how it is manufactured, why it narrows at the top, the double seam, and how the pull tab works.

Why Hacker News readers recommend it: It is a go-to recommendation whenever cans, good design or mass-produced objects come up, and many also recommend the whole channel.

“Whenever it’s about cans I can only recommend this video from the engineer guy”

View the original HN discussion

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