That round bump on your milk jug isn’t about spoilage. It’s designed to keep the jug sturdy and adjust with temperature ...

"Why do milk jugs have these," a Redditor asked in a 2015 post in the r/whatisthis, for example. The thread was marked resolved after the group settled, incorrectly, on three explanations.

Whether you buy whole, 2 percent, or skim, the plastic containers milk comes in all share something in common: There’s an inverted circle built into one side of the jug where a smooth, flat ...

A viral meme claims the indents on milk jugs pop out when the milk is old, but that's false. The indents are for volume control of plastic jugs.

Michigan Technological University. "3-D printing using old milk jugs." ScienceDaily. www.sciencedaily.com / releases / 2013 / 03 / 130301153645.htm (accessed June 2, 2025). Explore More ...

The Milkmaid is a new smart jug that detects when milk is going bad and sends a text reminding you to buy more. Who hasn't had milk go bad in the fridge and not noticed until all the shops are shut?

Why do plastic milk jugs have a circular indent on the side? The circular indent on the side of a plastic milk jug is not just for decoration or to help determine if the dairy product is expired.

Milk Jug Gets A Makeover. June 30, 2008 / 7:00 PM EDT / CBS The price of milk isn't the only thing changing at the grocery store, CBS News correspondent Ben Tracy reports.

The logic behind the milk jug method focuses on nature’s scheme. In your garden, seeds drop in the late summer and fall and lay dormant (not sprouting) over the winter, then start to emerge when ...

If you’re in need an easy to make disposable funnel, we have the perfect solution for you. Simply cut off the handle from a gallon water (or milk) jug, and use this to serve as a disposable funnel.