Understanding How a Microwave Heats Food
Science and Technology

Understanding How a Microwave Heats Food

A clear explainer on how a microwave heats food using electromagnetic waves, dielectric heating, water molecules, magnetrons, turntables and safe cooking practices.

How Refrigerators Keep Things Cold
Science and Technology

How Refrigerators Keep Things Cold

A clear explainer on how refrigerators keep things cold by moving heat using refrigerant, evaporation, compression, condensation and expansion.