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Solar Light Bulbs Will Cheaply Illuminate Your Room

One of the most useful recent developments in solar technology are solar light bulbs. Technically, two separate types of solar light bulbs were invented in the past few years, and each of them is quite unique and completely different from one another.

There is currently one solar powered light bulb for sale on the market, which is manufactured by Nokero. The other type of solar light bulb is something which can easily be made at home using a recycled plastic bottle. This invention, known as a solar bottle bulb, is the perfect DIY lighting solution and costs almost nothing to produce. 

Nokero Solar Light

This solar powered light bulb was invented by Steve Katsaros in 2010 as a way to allow people in developing countries to have light at night, without the need to burn candles or kerosene. In fact, Nokero stands for No Kerosene. Katsaros is hoping his lights will help people in developing markets, and the majority of the bulbs that have been purchased are for use in these poorer countries. 

Many of the lights have been purchased by not for profit non-governmental organizations to be given away in several different countries in Africa. 

nokeroThese light bulbs are basically just small versions of a normal solar light that are designed to be placed in the sun during the day and then moved indoors at night to provide light. 

Nokero N220 solar light bulbs will set you back around thirty dollars each. They are quite useful as a portable light for camping or any other indoor or outdoor illumination needs. 

Overall, this is a decent product for the price and it should last for years, although you’ll have to replace the battery every year or two.

How to Build Your Own Solar Light Bulb

The solar bottle bulb is a cheap and easy DIY solution for allowing more light into darkened rooms during the day. Students at the Massachusetts Institute of Technology originally came up with this concept of a solar bottle bulb and the idea has been used in many countries around the world, most notably in the Philippines and Brazil. 

It is actually quite a simple invention that uses a plastic bottle containing liquid to refract light into a building, although it is important to note that it will only provide light during the day when the sun is shining on the bottle. The only downside to this particular type of light is that it is necessary to cut a hole in your roof to install it. Below are step by step instructions on how to build your own solar bottle bulb

Materials You Will Need

  • 1 Liter (or larger) plastic bottle with lid

  • Purified water
  • Chlorine bleach
  • Roof sealant
How to build your own solar bottle bulb
  • Step 1: Filling and sealing the bottle
The first step is to fill the bottle about halfway with a mixture of half bleach and half purified water. It is extremely important that you use purified water, not tap water. The combination of bleach and purified water will keep mold from growing and thus clouding the water, which would make the light less effective.

This solution should last for between two and five years before you will need to rinse out the bottle and replace the solution. After filling your bottle with the purified water/bleach solution, it is necessary to screw the cap on the bottle as tightly as possible. You may even want to use glue or any other sealant to ensure that air cannot get into the bottle.
  • Step 2: Roof cutting
Now you will need to cut a hole in your roof paneling that is equal to the circumference of the bottle. Measure the circumference in the middle of the bottle and then trace this out on your roof. It is important to note that there must be direct access from the roof into the room you wish to illuminate for this device to work.

Depending on what type of roofing material your structure has, it may be necessary to use different methods for cutting the round hole in your roof. For most types of roofing, it is recommended that you use a hole saw so that the hole is cut perfectly round.
  • Step 3: Inserting the bottle
Now it is time to insert the bottle filled with bleach solution into the hole you have already cut in your roof. You should insert the bottle about halfway, so that at least half of the bottle is inside the building. This will allow the liquid solution to redirect the light directly into the room.
  • Step 4: Sealing the hole in the roof
solar bottle bulbFinally, you will need to use your roof sealant to completely seal the roof around the bottle. This will help hold the bottle in place, as well as preventing any leaks or rain dripping into your room. By installing multiple solar bottle bulbs in your roof, you can completely illuminate your room during the daytime and eliminate the need to use electricity for lighting except at nighttime.

When the solution starts to appear cloudy, then it is time to replace your bottle bulb. You will need to extract it from the roof, and then you can either pour the solution out and rinse the bottle, or you can build an entirely new bulb from scratch.

It is normally recommended to reuse the same bottle to ensure that it will fit in the hole in your roof, just be sure to rinse it thoroughly to prevent any mold or bacteria growth.

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