Eli5: Why can a thermal flask keep items cold for 24 hours, but only hot for 12 hours. 1.14K viewsJanuary 3, 2024 Question92.02K July 8, 2019 0 Comments Eli5: Why can a thermal flask keep items cold for 24 hours, but only hot for 12 hours. In: Physics 26 Answers ActiveNewestOldest Anonymous Posted July 8, 2019 0 Comments Thermodynamics & environmental conditions. Heat flows from hot to cold. 21°C (room temp) is closer to 0°C (cold items) than 70-80°C (hot items) which slows down the rate of energy loss. You are viewing 1 out of 26 answers, click here to view all answers. Register or Login
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