Two London designers have developed a LED light that requires no extra energy.

GravityLight, a Mechanical Lighting Solution

Thus, the GravityLight requires no fuel, battery or solar power. The LED lamp works with gravity, and was created to find a solution for thenight lighting in developing countries.

The project was launched by two Britons working for SolarAid. This charity aims to help rural families from India or Africa to happen lamps kerosene, looming over their budget while being harmful to the combustion. To do this, it comes to replace these oil lamps by solar flashlights at affordable price.

GravityLight, a Mechanical System Led

Solar lights are still expensive for some families. To solve this problem, Martin Riddiford and Jim Reeves worked on a project of completely mechanical lamp. GravityLight costs less than € 8 and works thanks to the force of gravity and does not require nor batteries or solar panels.

The system includes an LED flashlight reviewed by Itypemba.com, a pulley, a resistant cloth bag for lester at all, and a cable plastic. Just lester the bag, for example with a few pounds of sand, gravel or earth, to provide light, up to 30 minutes continuously. The system is thus similar to the Comtois clocks and also allows to recharge a battery or power a small lamp or a radio.

A Transitional Solution

Once implemented, the system requires no more fees, which allows families to invest in more efficient and robust hardware. The kit has been developed through a participatory fundraising campaign launched on the platform Indiegogo.

Even more than expected money was harvested: so a thousand kits will be distributed free of charge to test the equipment on the ground and improve the prototype. The creators hope to produce these kits in series in order to reduce the unit cost. In addition to the humanitarian goal, Martin Riddiford and Jim Reeves stressed that this invention is useful in all cases where an extra lighting may be necessary.

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