 | 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 |  | | Durée | 2h 30 min. | | Date | 13.05.2013 | | Langue(s) | français deutsch english |
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 | This DIYs project helps to understand how hydropower (energy from water in motion) can be transformed into electricity. Hydropower is a renewable energy regenerated through the water cycle. The Sun powers this cycle by evaporating water (from e.g. rivers, lakes or seas). This water condenses ... »
hydropower, renewable, regenerated, evaporating, lakes
| | Note |  | | Difficulté |  | | Durée | 3h 0 min. | | Date | 13.05.2013 | | Langue(s) | français deutsch english |
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 | This project helps to understand how an electric motor works (how it is possible to create a movement with electricity). Many electrical appliances use this technique (mixer, cd player, hair dryer, etc.). By generating electricity from the Sun, this DIY shows that there are alternative energy ... »
motor, appliances, dryer, generating, renewable
| | Note | | | Difficulté |  | | Durée | 3h 0 min. | | Date | 13.05.2013 | | Langue(s) | français deutsch english |
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 | Inspired by an American tin toy of around 1916, this educated monkey performs multiplications without any mistake. His feet show the two numbers to multiply and a hole above his hands shows the correct result. The mechanism of this DIYs project is very interesting and can be studied and ... »
multiply, hole
| | Note |  | | Difficulté | | | Durée | 0h 45 min. | | Date | 08.05.2013 | | Langue(s) | français deutsch english |
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 | Building a vegetable oil stirling engine helps to demonstrate different scientific properties: Expansion and condensation of the air under the influence heat Principle of operation of a piston Conversion of thermal energy into motion Use of a bio-fuel This DIYs shows a simple prototype of ... »
stirling, condensation, piston, prototype, steam
| | Note | | | Difficulté |  | | Durée | 3h 0 min. | | Date | 06.05.2013 | | Langue(s) | français deutsch english |
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