Your Fridge Doesn't Make Cold. Here's What It Actually Does

Your fridge doesn't make cold. Nothing does. It's a heat pump that moves heat out of a box and dumps it into your kitchen. Here's how the refrigeration cycle works: evaporator, compressor, condenser and expansion valve, plus why leaving the door open makes your kitchen hotter. Sources: iFixit, How a Refrigerator Works: https://www.ifixit.com/Wiki/How_a_Refriger... Danfoss, R600a in household refrigeration: https://assets.danfoss.com/documents/lates... ASME Landmark #274, Perkins vapor-compression cycle: https://www.asme.org/about-asme/engineerin... Frederic Tudor: https://en.wikipedia.org/wiki/Frederic_Tudor Ice trade: https://en.wikipedia.org/wiki/Ice_trade Illinois Physics Q&A, open refrigerator: https://van.physics.illinois.edu/ask/listi... Narration voice and illustrations are AI-generated; script researched and reviewed by a human. Diagrams are animated in Manim. Music: "Wallpaper" by Kevin MacLeod (incompetech.com), licensed under Creative Commons: By Attribution 4.0 http://creativecommons.org/licenses/by/4.0/ #howthingswork #science #engineering