We just receive an email from one of our readers who sent us this AWESOME idea ! This guy needs to have the Nobel prize ! 
I agree that the light is only available during the day…but how many places in the world have the lights turned ON during the day…with this simple idea has a very good way and very cheap way to save tons of CO2 by reusing soda bottles !
Thanks Catherine for this information !
DIY : Recycle old light bulbs
Sunglasses light
DIY : 8 ways to recycle soda bottle
Recycled music band
Light my cone
Light disposablesits great isn’t it!!
What a great simple idea!
love love love this idea !!!!!!!
en las zonas rurales en chile, se ocupa esta tecnica hace al menos 10 años….notable el aprovechamiento energético desde algo tan basico como un desescho.
This. Is. Genius!
Lumineux!!!!!!!!!!!!!!!!
Thank you- I had to share!
AWE-SOME!!!
Just one correction. It was created in 2002 by Alfredo Moser, an auto repair man in Uberaba, São Paulo, not by MIT, which uses it around the world, or this guy, which uses the mit design.
The video below is in portuguese.
http://globoreporter.globo.com/Globoreporter/0,19125,VGC0-2703-17305-3-283127,00.html
Please just give the credit to the real inventor.
Sorry, the link I sent is just a summary to the tv show, the video is here
http://video.globo.com/Videos/Player/Noticias/0,,GIM681129-7823-LITROS+DE+LUZ,00.html
Thanks Leonardo for these precisions ! 
Excellent!
Agred, he deserves the Nobel price!!
i agreed best ever
Ingenious!
fabulous!
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“The ultra-green light !”