Created by StemPy LabWater kept in a pot of unglazed clay stays cooler than water in a steel pot. Why?
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← During a long run, Kabir loses 0.15 kg of sweat, and it all evaporates from his skin. At skin temperature, each kilogram of sweat takes 2.4 × 10⁶ J to evaporate. How much heat does this take from his body?A ceiling fan does not lower the temperature of the air in a room. Why do we still feel cooler under it on a hot day? →
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