The problem with microwaving tea
Tuesday, August 4, 2020 - 17:10
in Physics & Chemistry
Through convection, as the liquid toward the bottom of a container warms up, it becomes less dense and moves to the top, allowing a cooler section of the liquid to contact the heating source. This ultimately results in a uniform temperature. Inside a microwave, however, the electric field acting as the heating source exists everywhere and the convection process does not occur.