👉 Autoconvection is a phenomenon in which heat or other forms of energy (such as light, sound, and water vapor) travels through materials at a speed that exceeds the speed of light. This process occurs when two or more materials are placed close together, and the temperature difference between them causes the material to radiate its heat away from itself. Autoconvection can be caused by a variety of factors, including the presence of air bubbles in the material, the presence of small particles that absorb light
