aztig talaga ng SOLAR LIGHT BULBS
basahin niyo to
http://blog.makezine.com/2011/07/14/solar-light-bulbs-from-recycled-bottles/
Kasi guys, from 1-2 liters of water na may bleached, magiging isang 50-60 watts na white/cleared light, kasing lakas niya yung isang florescent lamp.
SOBRANG ASTIG GUYS