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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.
Date31.05.2013
Langue(s)

Bicycle magnetic headlight

Bulding a bicycle electricity generator helps to understand how it is possible to produce electricity from a magnet, a copper wire coil and a movement. This technique found in traditional bicycle dynamos is also used in electric power stations. Unfortunately less bicycles are equiped with ... »
bicycle, generator, magnet, wire, coil
Note
Difficulté
Durée3h 0 min.
Date24.05.2013
Langue(s)

Solar house

Building a solar house model helps to understand how it is possible to use the power of the Sun to save energy or even to be completely independent from the energies we normally use in our buildings. Even if they are still rare, some buildings already use only renewable energies. These 'autonomous ... »
energies, renewable, air-tight, illustration
Note
Difficulté
Durée4h 0 min.
Date16.05.2013
Langue(s)

Portable solar cooker

This DIYs project is a good way to discover the power of the Sun, and the use of a renewable energy to cook without polluting or increasing deforestation.   The portable solar cooker uses 3 principles: the greenhouse effect, the concentration of light with reflective panels and the ability of black ... »
renewable, polluting, deforestation, greenhouse, reflective
Note
Difficulté
Durée2h 30 min.
Date15.05.2013
Langue(s)

Design and energy saving lamp

Building a lamp with energy saving bulbs demontrates that it is possible to create a nice looking lamp delivering a good an strong light while consuming 5 times less energy. This model uses two bulbs in order to vary the light intensity. This is usally impossible with standard energy saving lamps. ... »
lamp, bulbs, intensity, lamps, lighting
Note
Difficulté
Durée2h 30 min.
Date13.05.2013
Langue(s)
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