[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

[This guy](https://www.youtube.com/watch?v=RSTNhvDGbYI) gives an *amazing* explanation of it. Basically it just keeps track of the boiling of the water with a mechanical mechanism. But I highly suggest the video.