 | Building a Faraday torch helps to understand how it is possible to produce electricity from a magnet, a copper coil and a movement. The same principle is used in most electricity plants. Depending on the plant, the movement is produced by different means (for instance by transferring the ... »
faraday, torch, magnet, coil, transferring
| | Note |  | | Difficulté |  | | Durée | 4h 0 min. | | Date | 07.06.2013 | | Langue(s) | français english deutsch |
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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
| | Note |  | | Difficulté |  | | Durée | 2h 30 min. | | Date | 17.05.2013 | | Langue(s) | français deutsch english |
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 | Building this torch (flashlight) helps to understand how it is possible to transform mechanical energy into electricity. This type of transformation is achieved in most of our power plants. This DIYs project reveals all the components of an electric generator. By using a small electric motor ... »
torch, flashlight, transform, generator, motor
| | Note |  | | Difficulté | | | Durée | 3h 0 min. | | Date | 16.05.2013 | | Langue(s) | français deutsch english |
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 | This DIYs project is a very easy way to create a small pocket sundial. It helps to visualise the movement of the earth around the Sun and to understand how sundials work. This little sundial is a nice addition to other projects regarding solar energy. ... »
| | Note | | | Difficulté |  | | Durée | 1h 0 min. | | Date | 14.05.2013 | | Langue(s) | français deutsch english |
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 | Building this very special Anti-monster flash light & buzzer is a nice way to experiment an electrical circuit a bit more complex than the usual battery/bulb/switch one. Beware that once completed, this is a very noisy device... This DIYs project uses a very energy efficient ... »
flash, experiment, bulb, noisy, emitting
| | Note | | | Difficulté |  | | Durée | 2h 0 min. | | Date | 03.05.2013 | | Langue(s) | français deutsch english |
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