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  • Any tips on keeping my cat cool saturday? Expected temps around 37C/98.6F outside. That's about 42C/107.6F inside. She's an inside cat....

    Currently thinking about emptying my (small) fridge, putting a towel in there and put something in front so the door won't close but I have no idea if that works.

  • Fridges work by taking the heat out of the stuff/space inside, and radiating it out the back, effectively. They aren't perfectly efficient, so if you managed to keep the fridge working while the door was open all that would happen would be the room would just get hotter... They don't just magically make cold.

    When water changes to water vapour, or ice to water, it takes heat out of its surroundings, so it's not just the low temperature that cools the air if you blow a fan over it, it's the energy it takes (in the form of heat, out of the air) to change phase.

  • Fridges (tl;dr) They don't just magically make cold.

    Ha, next you'll be telling me microwave ovens don't just magically make hot!

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