Without Electricity

Solar Cooling System Preserves Food Without Electricity Solar Cooling System Preserves Food Without Electricity An eco-friendly and cheap cooling system developed by a Mexican researcher uses solar energy to maintain temperature of food and water at nine degrees Celsius for three months. Refrigerating systems have been under the spot light ever since they were found guilty of polluting the atmosphere with the Chlorofluorocarbons (CFCs), causing a depletion in the ozone layer. As of the 1970s, the negative effect of these compounds has globally acknowledged and heavily regulated. Nevertheless, their use in refrigerating systems continues to be apparent, and it will remain ... Διαβάστε περισσότερα