The Dent On a Milk Jug
According to what you’re probably already aware of, milk jugs are commonly found with a dent on one of the edges. And, while many people may simply chalk it up to a design decision, there is a reason for this ding in the pavement.
The Dent On A Milk Jug
One of its functions is to inflate if there is a gas accumulation, signaling that the milk has gone bad. Another purpose for the strange dent is to keep the jug from exploding if dropped by accident. The dent allows the jug to expand, dissipating the abrupt pressure that occurs when the jug is dropped.
The Little Hole On Elevator Doors
If you’ve ever wondered if that small hole in the elevator door was a covert spy camera, you’re in the same boat as the rest of the population. You’d be wrong, just like the rest of us.
The Little Hole On Elevator Doors
The small, peculiar hole on elevator doors is there in case the doors become stuck and must be manually opened. It’s official: our days of suspecting the elevator of spying on us are finished.
