Most people assume that when they leave home… Everything stays exactly the same. Especially inside something like a freezer. You close the door, set the temperature, and trust that everything inside will stay frozen until you get back. And most of the time, that’s true. But not always. Because things can happen while you’re away. Power can go out. Sometimes just for a few minutes. Sometimes for hours. And you wouldn’t even know it happened.
When that happens, your freezer stops doing its job. The temperature slowly rises. Ice begins to melt. Food starts to thaw. Not instantly—but gradually. And that’s what makes it easy to miss. Because when the power comes back… Everything freezes again. From the outside, it looks completely normal. Nothing seems different. No smell. No visible signs.
But what you’re seeing after then might not tell the full story. And that’s where this simple trick with a coin suddenly starts to make a lot more sense. Head over to the next page to find out how to use a coin here: