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A pot-in-pot refrigerator, clay pot cooler [1] or zeer (Arabic: زير) is an evaporative cooling refrigeration device which does not use electricity. It uses a porous outer clay pot (lined with wet sand) containing an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed. The evaporation of the ...
Mohammed Bah Abba (1964–2010) was a teacher from northern Nigeria who developed the pot-in-pot refrigerator in the 1990s. This refrigerator is extremely simple and does not require power, making it suitable for use in desert environments without easy access to electricity or repairs.
Direct evaporative cooling (open circuit) is used to lower the temperature and increase the humidity of air by using latent heat of evaporation, changing liquid water to water vapor. In this process, the energy in the air does not change. Warm dry air is changed to cool moist air. The heat of the outside air is used to evaporate water.
Store leafy greens in the crisper drawer of your refrigerator, set to high humidity. You may want to keep greens closer to the front to avoid frozen lettuce, Moyer suggests. Don’t wash your pre ...
Some 1.4 billion people lack access to electricity worldwide today, most in rural areas across Southeast Asia, China, India and Sub-Saharan Africa, according to data from the OECD. While others ...
Pipkin – an earthenware cooking pot used for cooking over direct heat from coals or a wood fire. Palayok – a clay pot used as the traditional food preparation container in the Philippines used for cooking. [30] [31] A Bronze Age siru food steamer
Food in a refrigerator with its door open. A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. [1]
Desert climates have the highest radiative cooling potential due to low year-round humidity and cloud cover, while tropical climates have less potential due to higher humidity and cloud cover. [5] [35] Costs for global implementation have been estimated at $1.25 to $2.5 trillion or about 3% of global GDP, with expected economies of scale. [34]
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