 | This DIYs project of a solar oven was part of a contest organised by the Juvene Foundation and the Swiss television (TSR-découvertes) during the 2011 Summer. The idea was to propose an easy experiment which needed only extremely cheap and easy to find materials and which would encourage children ... »
experiment, insulating, rays, greenhouse, panels
| | Rating |  | | Difficulty |  | | Duration | 2h 0 min. | | Date | 24.05.2013 | | Language | français deutsch english |
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 | 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
| | Rating |  | | Difficulty |  | | Duration | 3h 0 min. | | Date | 24.05.2013 | | Language | français deutsch english |
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 | Building this DIYs project helps to understand how wind turbines work and generally how to transform a mechanical movement into electricity. This principle can be found in devices we use every day (bicycle dynamo, car alternator, etc.). The same principle is also used by most of our electricity ... »
turbines, transform, bicycle, dynamo, alternator
| | Rating | | | Difficulty |  | | Duration | 2h 0 min. | | Date | 24.05.2013 | | Language | français deutsch english |
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 | Building a solar torch (flashlight) helps to understand how it is possible to store the energy of the Sun and use it later at night. photovoltaic cells transform the energy of the sun in electricity that can be stored in a rechargeable battery. Photovoltaic cells are now widely used and can be even ... »
torch, flashlight, photovoltaic, transform, rechargeable
| | Rating | | | Difficulty |  | | Duration | 2h 30 min. | | Date | 17.05.2013 | | Language | français deutsch english |
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 | This DIYs project shows how to build an ecological air conditioning system. The electricity of the fan is generated by a photovoltaic cell and the air is cooled simply by evaporating water. Conventional air conditioners are very energy consuming. They work like a fridge and need a lot of ... »
ecological, conditioning, photovoltaic, cooled, evaporating
| | Rating | | | Difficulty | | | Duration | 3h 30 min. | | Date | 17.05.2013 | | Language | français deutsch english |
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