The food preparation is a daily process. Need to consume energy for cooking in the kitchen, the oven, the microwave. This energy we get from the combustion of gas or electricity.Many of our meals are warming the food to cook. Sometimes, in the case of a double boiler, cook at low temperatures (<100 ° C).The bath is a technique used in industry (pharmaceutical, cosmetics, canning, cooking), using boiling water.Low temperatures can be achieved from the heat of the sun.Papers to know more: http://solarcooking.org/docs.htmSimple information http://mc2coruna.org/enerxiasolar/

La energía eólica se está desarrollando hacia una tecnología de energía confiable. A nivel mundial, el progreso de los países activos aumenta la capacidad instalada anual y las inversiones. Las mejoras tecnológicas han reducido continuamente los costos de energía, especialmente en tierra. To know more : http://www.awea.org/wind-energy-101