TIL the way refrigerator knobs work. The fresh food knob has a thermostat and regulates the compressor that blows cold air, while the freezer knob controls how much of the cold air is split off toward the freezer. todayilearned

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Submitted October 27, 2014 at 11:57PM by Arladerus http://ift.tt/1ta5Hd1 todayilearned