Why Milk Jugs Have That Little Dent — And What It’s Actually Designed to Do

Most people never stop to notice the small circular dent on the side of a plastic milk jug. It’s so familiar, so unremarkable, that it practically disappears into the background of everyday life.

Many assume it’s just a manufacturing quirk or a minor flaw in the plastic.
In reality, that little “dent” is anything but accidental.

It’s a carefully engineered continue reading …