Meet South Africa's Game-Changing Smart Cooler, Sure Chill!
In South Africa , where some rural areas suffer from power outages and struggle to preserve food and medicine, engineers have developed a smart cooler called Sure Chill. This system can maintain a cool temperature for extended periods, even during frequent power cuts.
The innovation relies on a simple yet ingenious physical principle. Instead of cooling the air , the system freezes a specific amount of water within its walls. When the power goes out , the ice begins to maintain a constant internal temperature for extended periods without the need for generators or bulky batteries.
Remarkably, the system was specifically designed for villages and remote areas in Africa, where food and medicine were often spoiled due to constant power outages. This innovation has helped transport and preserve sensitive medications at safe temperatures, even in extremely hot climates.
Despite its simple concept compared to complex industrial refrigeration systems, Sure Chill has spread to several countries and is used by global health organizations because it reduces vegetable spoilage and also minimizes the loss of vaccines and medications, preserving medical supplies at a significantly lower cost and with far less energy than traditional systems.
Source: Sure Chill Company, BBC, UNICEF.
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