A Light Bulb That Works without Electricity

The necessity sharpens the wit, something that shouldn’t be missing you Brazilian Alredo Mozer of Sao Paulo, because neither short nor lazy has invented a light bulb that works without electricity, and for which needed little more than a plastic bottle and a little water.

The idea, which can be seen in detail in the video, is as simple as useful; a large plastic bottle filled with water and chlorine (so that bacteria do not develop) is placed on the roof, with the upper half hovering abroad and the other half to the interior. Like this, the Sun’s rays are concentrated and reflected in the water, transmitting light to the interior as if it were a light bulb of 60W, which produces much more light than if opening a hole of the same size on the roof.

Obviously, has its drawbacks, as that serves only during the day or that can only be installed in houses of a single plant with fine ceilings as uralita who appear in the video, but it is an idea that can save electricity and bring light to the homes of many families or small workshops. In addition, just costs money to install them and require no maintenance.

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