“ What Constancy of the Speed of Light? I find it odd that the article refers, multiple times, to the "constancy of the speed of light" - the speed... (read full comment) ”
Posted on July 27, 2010 at 11:50 AM EDT
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
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