A breakthrough in thermogalvanic refrigeration could make cooling cheaper and greener by optimizing electrochemical reactions, boosting efficiency, and expanding its practical use. (Prototype thermogalvanic refrigerator.) Credit: Yilin Zeng Scientists have enhanced thermogalvanic refrigeration, a cooling method that leverages electrochemical reactions. By refining the electrolyte composition, they improved efficiency dramatically, making it a promising, low-energy alternative for cooling applications, from wearable tech to industrial systems. A Breakthrough in Cooling Technology Scientists have introduced a promising new cooling technology that could be more efficient and environmentally friendly than traditional refrigeration. Published on January 30 in the Cell Press journal Joule, the study...