this post was submitted on 10 Dec 2024
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xkcd
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How does a kettle warm the water more evenly but a microwave doesn’t? When a kettle has it’s heating element only at the bottom but a microwave blasts the entire mass of water with energy because it sits on a rotating plate.
Exactly because of that.
Hot water moves upwards, and if you heat it from the bottom, you get a more even result than if you blast it from all sides.