Microwave Oven

kitchen · heat · electricity · science

Water molecules spin. Microwave ovens send out special electromagnetic waves that make water molecules in food rotate incredibly fast. All that spinning creates heat, which cooks your food from the inside out.

Super quick cooking. Microwaves heat food much faster than regular ovens because they directly vibrate the water molecules instead of just heating the air around the food. A frozen dinner that takes 30 minutes in a regular oven might take just 3 to 5 minutes in a microwave!

Heat reaches the outside. Microwave heat works best in the outer 1 to 1.5 inches of food, especially if it has a lot of water in it. That's why sometimes the middle of your food stays cold while the edges get hot, you might need to stir it or let it sit for a moment so the heat spreads evenly.

Invisible energy waves. Microwaves work using a type of electromagnetic radiation (the same kind of waves that carry WiFi and radio signals). These waves are completely safe when they stay inside the oven, and the metal walls keep all that energy trapped while cooking.

No open flame needed. Unlike a stove or campfire, microwaves don't use any heat, fire, or hot coils, they use pure electrical energy to create the waves. This makes them much safer and cleaner for cooking!