Here's why you should always put a coin in the freezer before you go out.


 




When you return home from a trip, have you ever noticed that your digital clock has been reset? This often means there was no electricity, but it's hard to know when or for how long, so you can't be certain if your food is still good.



On Facebook, a woman named Sheila Pulanco Russell shared a useful tip to check if the food in your freezer is still good after a power cut.