THERMODYNAMICS The process of evaporative cooling has been used across Africa for centuries. Below, we’ve done our best to produce an infographic explaining just how this process works. What is an Udu? Udu is an Igbo word which means vessel. An Udu is a clay pot which is often often used as a water carrier. […]

Read More HOW THE UDU (EARTHEN POT) KEEPS WATER COLD – AFRICAN TECHNOLOGY