hot water
tea, cup, drink @ Pixabay

Have you ever wondered why a liter of hot water cools faster in an ice tray than on the countertop? This is because there is less heat transfer to the air when it’s contained. The more surface area your container has, the more heat will be transferred to that space and then into the atmosphere. The cold water in the ice tray is frozen around the edges, creating a boundary against which heat can be transferred. This means that the hot water will cool to room temperature faster than if it was just sitting out on your countertop with no container at all. In fact, some studies have found that using an ice cube tray as a makeshift thermos could make drinking steaming-hot beverages more comfortable! Content: Have you ever wondered why a liter of hot water cools faster in an ice tray than on the countertop? One reason may be because there is less heat transfer to the air when it’s contained by another material. The more surface area your object has, then more heat will escape into its surroundings and apply pressure

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