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Solar popper

Apart from photovoltaic cells, there is another way to produce electricity with the Sun. This technique uses the Sun to heat water or air in a closed tank. High temperatures are reached by using parabolic mirrors which concentrate the Sun's rays. The heat increases the volume of water or air in the ... »
photovoltaic, tank, parabolic, mirrors, rays
Note
Difficulté
Durée3h 0 min.
Date20.07.2022
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Steamboat

Building a steamboat helps to understand how it is possible to tranform heat into a mouvement. If some water is heated in a closed container and evaporates, a pressure is created inside. This pressure is due to the increase of water volume during its transformation into steam (steam takes about ... »
steamboat, heated, container, evaporates, steam
Note
Difficulté
Durée3h 0 min.
Date14.05.2013
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