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Solar food dehydrator

Solar energy is commonly used to produce hot water or electricity for our buildings. Another, lesser known use is for drying food.This technology allows fruit, vegetables, fish or meat to be dried without the use of fossil fuels and pollutants. With less moisture, food can be stored for long ... »
drying, fossil, fuels, pollutants, moisture
Note
Difficulté
Durée3h 0 min.
Date25.07.2022
Langue(s)
français english

Solar hot water panel

The construction of a solar hot water panel helps to understand how it is possible to heat water with the Sun. The basic principle is to circulate water in a black pipe placed behind a glass exposed to the Sun. Thanks to the greenhouse effect and the black colour that absorbs most of the Sun's rays, it is ... »
circulate, pipe, greenhouse, absorbs, rays
Note
Difficulté
Durée2h 30 min.
Date20.07.2022
Langue(s)
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