The GravityLight uses a sack of sand or stones to gradually pull a piece of rope through a dynamo mechanism which generates electricity to power an LED. It is a cheaper and more sustainable option than a solar powered light,...
Share ideas that matter on the social web and experience
the benefits of curating the world's best content.
I don't have a Facebook, a Twitter or a LinkedIn account
|
|
Scooped by SustainOurEarth onto Sustain Our Earth |
The GravityLight uses a sack of sand or stones to gradually pull a piece of rope through a dynamo mechanism which generates electricity to power an LED. It is a cheaper and more sustainable option than a solar powered light,...
Are you sure you want to delete this scoop?
Your new post is loading...
New research shows that many businesses around the world won’t start planning until 2018. Is this too late? Via Lauren Moss, Susan Davis Cushing
Duane Craig's curator insight,
December 20, 2012 11:19 AM
And, the construction sector is woefully unprepared...
Jim Gramata's curator insight,
December 21, 2012 10:37 PM
The earth is bounded and its resources finite. Hopefully it will be a proactive and not reactive decision to do what is critical to the sustainability of the earth. Spread the word.... Delete the scoop?
Are you sure you want to delete this scoop?
Yes
No
|



Your new post is loading...