How does the water that comes out of our sink and shower faucets change temperature when we move the handle(s) back and forth? How does it know to go from hot to cold and visa versa?
In: Engineering
it’s like the ice cream machine that lets you get vanilla or chocolate ice cream but there’s also the middle handle that lets you get both. Except that instead of only three handles the knobs let you go from all chocolate and no vanilla to all vanilla and no chocolate and everywhere between the two ends. Except replace chocolate with cold water and vanilla with hot water.
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