Solar Bottle Lamps: Water + Bleach = Light

“A solar bottle light bulb, an innovation introduced. as a cheap alternative to other light sources. It is called “bottle bulb” because it is made of an empty 1.5 liter soda bottle and in it is a liquid bleach and purified water that can be used as an alternative electric-powered light bulb. However, it is only useful during daytime but its luminance was tested and shown to produce as much light as a 50W incandescent bulb.
How to make your own Solar Bottle Light Bulb?
The materials are the following: 1.5-liter soda bottle, purified water and bleach

The principle is simple and seductively clever: solar lights that store energy during the day and release light at night. These can be purchased ready-made in a variety of colors (yellow, blue and red), but it’s also easy to make your own DIY sun jar at home.

The simplest, least technical approach involves buying a conventional solar-powered yard lamp and then essentially harvesting it for key pieces to put in a jar. This is just a clever way of taking an existing solar lamp design and appropriating its essential parts to make something more attractive for display around the house, to take on camping trips or even to use as wedding or other event decor.