xkcd – Dreams Festivals

What if you pointed the Hubble telescope at Earth? @xkcd_whatif

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DDF November 29, 2023

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How To Go To Space (with XKCD!)

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DDF November 10, 2015

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How to Draw a Stick Figure (School of Youtube)

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DDF September 7, 2014

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The BEST Science Online (Henry’s List)

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DDF February 7, 2013

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MinutePhysics Birthday

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DDF June 26, 2012

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Open Letter to the Universe

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DDF June 13, 2012

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Tour of the Map of the Big Bang

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DDF June 7, 2012

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Picture of the Big Bang (a.k.a. Oldest Light in the Universe)

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DDF June 7, 2012

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Proof Without Words: The Circle

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DDF May 29, 2012

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Every Force in Nature (Theory of Everything, Part III)

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DDF May 21, 2012

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