Refrigerators and Pressure Cookers: Kitchen Innovations that Changed Our Lives

The video explores the history, mechanics, and impact of two essential kitchen appliances: refrigerators and pressure cookers. Refrigerators, invented in 1834, revolutionized food storage by moving heat from inside to outside, allowing for less frequent shopping and diverse diets. Pressure cookers, dating back to 1679, cook food faster by increasing pressure, saving time and energy. Both appliances have significantly changed food habits and kitchen dynamics.

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