Solar lamps replace toxic kerosene in poorest countries

 Around 1.3 billion people are currently living without electricity, when the sun sets. Berkeley Laboratory at the University of California say that the kerosene lamps use around 77 billion liters of fuel worldwide, costing i a total of $38 billion every year. Not to mention its very dangerous. In Delhi, India these solar lamps are already being uses by 100,000 of the country's poorest people. It can be used as a celling light, wall lamp, or a torch light.  It can run up for  12 hr on one charge & its only $25.

Do Now 1/4

How to keep your computer organized is very simple. You just create folders and title them in many ways. For example I have a folder that says summer 2011. And inside that folder there are more folders divied by the trips I took that summer. I use hierarchical system, a folder within a folder into a folder. Another way to organize your computer is Tagging, Social Bookmarking. For example Tagging you can label diffrent codes. And with Socail bookmarking you bookmark your favorate websites but its on the internet not just on one  computer Tagging, Social Bookmarking are very important in the digital age because those are other ways to organize your favorate websites.