In low income communities across the globe, natural light is often unavailable in windowless homes crowded together under corrugated metal roofs. Even on the brightest days interior lighting is provided by expensive electricity. Innovators in the Philippines are now implementing a low cost solution using discarded soda bottles.
impressive but written by ramita , June 28, 2012
I was wondering how long does it 55 watt light last? what happens if there is no sunshine for 2-3 days? and normally will this light last till night time too?