Plastic bottle, water and a couple spoonsBleach - this simple idea has been a successful solution to the problem of lighting slums and shacks in the Philippines. Simple technology allows you to illuminate always dark rooms without normal windows, however, only when the sun is shining on the street. Light is given to poor residents for free. This idea can be perfectly realized in any part of the world. Thus, in the villages of Ukraine it is possible to coverSheds, outbuildings, toilets on the street and other constructions "without windows and doors". Fortunately, on average, sunny days in Ukraine are about 270. And in the slums of Filipino Manila, the innovative project became a real gift and highlighted the gloomy and dreary shacks of the local population. The technology is very simple and affordable absolutelyto each. In an ordinary plastic bottle pour water and dissolve two or three tablespoons of bleach (bleach). The filled bottle is inserted into the slotted hole on the roof, fixed and sealed. Thus, a homemade lamp half sticks out over the roof, and the lower part works as a light bulb indoors. Water refracts and dissipates the sun's rays throughout the room, and bleach does not allow the water to stagnate and blossom. The initiator of the project is the ecologist-entrepreneur IllacDiaz. The original idea belongs to students at the Massachusetts Institute of Technology. "The point is that light, passing through a bottle of water, enters the room, as if through a window in the roof," explains Illac. - In the case of a simple hole or window, the light will pass in a straight line. And water refracts the rays and directs in all directions. The result is 55-60 watts of sunlight during sunny days. " The project is known as the "Lit of Light" and is aimed at providing cheap areas around the world with cheap energy.