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Lifestyle News

The Times of India

Lifestyle / The Times of India

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Why do pressure cookers whistle? Heres what actually happens inside

Two whistles for rice, three for chana, is advice passed down through generations. But the whistle isnt counting time at all. It is the pressure cooker talking to you, telling you that science is hard at work inside. Heres what is really happening every time that whistle blows.

2 Aug 2026 2:00 pm