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January 28, 2010 By xhumans

NASATube - a nasa video lounge

Kick back and watch some of the best NASA videos available on the iPhone.NASATube is the premier place for NASA videos. We hope you...

December 31, 2015 by

xkcd in reverse - Thing Explainer explained

Randall Munroe, author of the xkcd comic strip, has published Thing Explainer, a "how stuff works" book that explains things using diagrams and the thousand most common words. It's the Up-Goer Five idea expanded to a wide range of subjects.


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