Physics behind Thermos flask
Who doesn’t like a hot cup of coffee or tea on a cold winter evening or having a chilling cold drink on hot summer days? But, the laws of nature
radiation
Heat Transfer and its Mode: Conduction, Convection, and Radiation
Have you ever wondered why a hot cup of tea is spread on a saucer to cool it down, or a cold canned drink outside a refrigerator gets warmed up?