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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)

Solar boat

Building a solar boat helps to understand how photovoltaic solar cells can be used to produce electricity. Toy using solar cells represent often machines that do not exist or which are not logical. It is not uncommon indeed to find toys of helicopters or windmills powered by photovoltaic cells. ... »
photovoltaic, windmills, powered, geneva
Note
Difficulté
Durée3h 0 min.
Date14.05.2013
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)

Pet-Star water rocket car

The Pet Star water rocket car is an environmental friendly vehicle.   A Pet bottle is used to stock air and water. The air is pressurised with a bicycle pump . The water is expelled because of this great pressure and pushes the car forward (action<>reaction principle).   This DIYs project helps to ... »
rocket, pressurised, bicycle, pump, pushes
Note
Difficulté
Durée10h 0 min.
Date06.05.2013
Langue(s)

Lampe led

Ce bricolage présente un modèle simple de lampe de table utilisant une ampoule LED. Celui-ci est l'occasion de présenter la technologie des diodes lumineuses (Light Emitting Diodes) qui, à terme, va certainement remplacer la plupart des éclairages classiques. En effet, les éclairages LED ont ... »
présente, modèle, lampe, ampoule, diodes
Note
Difficulté
Durée2h 0 min.
Date18.07.2017
Langue(s)
français
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