“ The hole in ozone layer Is the hole in ozone layer expanding? It was at some point. (read full comment) ”
Posted on January 21, 2010 at 9:19 AM EST
The TR10
Our annual list of 10 technologies that could change the world. This year: Light-field photography. Solar microgrids. Crowdfunding. Facebook's Timeline. And more...
The Library of Utopia People Power 2.0
The Library of Utopia People Power 2.0
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