saudi researchers at king abdullah university develops the technology uses ammonium nitrate dissolved in water to cool down temperature from about 25°c to around 3.6°c in roughly 20 minutes.

 

saudi researchers at king abdullah university of science and technology (kaust) have developed an experimental cooling system called nescod, short for “no electricity and sustainable cooling on demand.” unlike conventional refrigerators and air conditioners, the system does not require a compressor or continuous electricity during its cooling phase.

the technology uses ammonium nitrate dissolved in water. when the salt dissolves, the process absorbs heat from its surroundings, creating a powerful cooling effect. in laboratory testing, the system reportedly lowered the temperature from about 25°c to around 3.6°c in roughly 20 minutes.

what makes the concept especially interesting is that the system can be regenerated using sunlight. solar energy helps remove the water from the salt solution, allowing the ammonium nitrate to be recovered and reused for another cooling cycle. this creates a potentially low-energy approach to cooling that could be useful in hot regions and places where reliable electricity is limited.

however, this is still an experimental technology, not a replacement for household refrigerators or air conditioners today. researchers are exploring how systems like nescod could eventually support food preservation, off-grid cooling, and other applications where electricity is expensive or unavailable. if developed further, the combination of chemistry and solar energy could offer a fascinating new way to stay cool without relying on conventional power-hungry systems.

#sustainablecooling #cleantechnology #solarenergy #sauditechnology #futuretechnology