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Fuzzy logic is a form of coding that helps computers make decisions more like people. It's used to predict them and run entire subway systems, but can also teach a machine to cook the perfect bowl of rice.
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Ordinary computers use a built-in logic, called binary logic, that thinks solely in terms of 'YES' and 'NO'. Early electric rice cookers ran on this type of logic, too.
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The manufacturers realised that not every question can be answered with a binary 'YES' or 'NO', there are fuzzy answers in between, such as 'ALMOST', 'SLIGHTLY' or 'VERY'.
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As the answer to the question shifts while the rice is cooking, the response shifts too.
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The more questions, answers and responses the rice cooker has, the more precisely it works.
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Many household appliances now use fuzzy logic over binary.
