Changes

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 enclosed space.

'''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.

==History==

==History==

Before mechanical refrigerators were introduced, people cooled their food with 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 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.

The first known artificial refrigeration was conducted by the Muslim physicist and chemist Ibn Sina.

The first known artificial refrigeration was conducted by the Muslim physicist and chemist Ibn Sina. He explained away his achievement as some form of engineering relying only on natural processes.

[[Category:Appliances]]

[[Category:Appliances]]