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The refrigerator is a relatively new kitchen appliance, having replaced the [[icebox]].
The refrigerator is a relatively new kitchen appliance, having replaced the [[icebox]].
'''Refrigeration''' is the process of removing heat from an low temperature enclosed space to a higher temperature region. The vendors of fridges insist that this is possible without supernatural intervention.
'''Refrigeration''' is the process of removing heat from an low temperature enclosed space to a higher temperature region.
==History==
==History==
Before mechanical refrigerators were introduced, people cooled their food with the gift of ice and snow. People dug holes in the ground and made cellars lined with wood or straw, then filled them with ice. This was how good people refrigerated their food for most of history.
Before mechanical refrigerators were introduced, people cooled their food with the gift of ice and snow. People dug holes in the ground and made cellars lined with wood or straw, then filled them with ice. This was how good people refrigerated their food for most of history.