Two minutes of your time will open your eyes to an incredibly clever idea! Originally created by students at MIT (Massachusetts Institute of Technology), these Solar Bottle Bulbs are now helping people in poor communities in the Philippines.
Find more information at the Isang Litrong Liwanag (A Liter of Light) website.
You can follow the 1LitrongLiwanagTeam on Twitter.
And you can “like” A Liter of Light on FaceBook.