A research group from Ghana has developed a solar PV-powered steam cooker (ISESC) with sand-based thermal energy storage (TES). “The potential of sand, given its thermal stability and low cost, has ...
UNHCR is testing a newly-designed solar cooker in two Kenyan refugee camps facing a shortage of firewood. The agency hopes that the stove project can lessen the impact of refugee influxes on the ...
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