A friend of mine posted this video on her facebook and I’m very impressed by the great impact of a simple idea! Sometimes, we don’t have to think of complicated solutions to problems in life as it is usually the simple ideas that will save the day.
Science Behind the Invention
“When the sun hits the outside part of the bottle, a lot of light reaches the inside part of the bottle. The water inside the bottle makes the light omnidirectional, mimiking an electric light bulb. The bleach keeps the water clear for years. Without the bleach, the water would quickly turn green with algae. Without the water, there would be a bright spot on the floor, surrounded by relative darkness.”