47 Household Hacks That You Never Knew About Before

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Black Grating In Microwave

Horizon Times

Take a closer look at your microwave and you might notice what looks to be a perforated black grating on the door. Most people assume that it’s just an aesthetic that manufacturers put in to make them look nicer, but they serve a much bigger purpose. Those black shields are called Faraday shields, which play an incredibly important role. They prevent electromagnetic fields from escaping as your microwave is at work. In case you’re annoyed that you can’t see your food heating up, remember that the microwave makers are just doing their job of keeping you and your family safe!