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Refrigerators came a long way until they became a common home appliance known to all. The first refrigerators originated from early scientific experiments and were not practical but in time were perfected and became indispensable in everyday life. Check out timeline of refrigerator technology.
Although it looks like a new invention idea of a solar-powered refrigerator is relatively old and pretty simple - to use heat of the sun instead of the compressor in the refrigerator to liquefy the refrigerant. Read more about solar-powered refrigerators.
Refrigeration is one of the main food storage techniques in developed countries. But it was not always so. To keep our food cool we had to harvest ice from the nature itself. Today almost every household has a refrigerator. Read about refrigerator history.
Fridges and their stronger and colder cousins - freezers are today required equipment in every home. But it was not always like that. They ancestors were much simpler and not too practical. Find out more about fridges history.