Yes, certain foods and objects can behave unpredictably and potentially cause explosions in the microwave. The main reason for this is the rapid buildup of steam and pressure inside the food or object, which can lead to sudden bursts. Here are some examples of items that should never be microwaved:
Eggs: Whole eggs should never be microwaved in their shells. As the microwave heats the egg, steam builds up inside, causing pressure to build up. This can lead to the egg exploding and making a mess. If you want to cook eggs in the microwave, it's safer to use a microwave-safe container and pierce the yolk and egg white before cooking.
Grapes: When grapes are cut in half and placed in the microwave, they can create plasma and sparks due to the interaction between the fruit's skin and the microwave's electromagnetic field. This phenomenon is known as the "grape plasma effect."
Hot peppers: Peppers like chili peppers can release capsaicin, the compound responsible for their spiciness, into the air when microwaved, causing irritation to the eyes and respiratory system. It's best to avoid microwaving whole hot peppers.
Water: Surprisingly, water can also become a hazard in the microwave. Superheating can occur, where the water heats beyond its boiling point without actually boiling. When this superheated water is disturbed (e.g., when you take the cup out of the microwave or add something to it), it can rapidly boil and potentially splash or explode, causing burns. To avoid this, always use microwave-safe containers and place a non-metallic object (e.g., a wooden spoon) in the cup while heating water to help prevent superheating.
Sealed containers: Containers that are completely sealed shut, such as jars with tight lids, can explode in the microwave because of the pressure buildup from the steam generated inside. Make sure to use microwave-safe containers with loose-fitting lids or leave the lid slightly open to allow steam to escape.
Foil and metal objects: Metal should never be placed inside a microwave, as it reflects microwaves and can cause sparking or fire. This includes aluminum foil, metal utensils, and containers with metallic elements.
Always follow the manufacturer's guidelines and use microwave-safe cookware to ensure safe and efficient cooking. When in doubt, consult the microwave's user manual or a reliable source to determine if a particular item is safe for microwave use.