The System 686: Propulsion October 25th, 2013 If you liked this post, you might just like: The System 400: What Else We’ve Learned The System 442: Schrödinger’s Dog The System 708: Room for Improvement See More Posts About: Coffee Rocket Science Comments: Buy A Print of This Comic Image Link Code: http://www.systemcomic.com/comics/2013-10-25-propulsion.gif A link to this post: Tweet StumbleUpon
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