[ELI5] How does a rice cooker “know” the timing to switch from cook to warm when there’s no more water in it?

Question

[ELI5] How does a rice cooker “know” the timing to switch from cook to warm when there’s no more water in it?

In: 825

Answer 1

It actually is quite ingenious how they use magnets and thermal knowledge. TC goes into detail here on how they work: [how rice cookers work](https://youtu.be/RSTNhvDGbYI)