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Alt-week 6.15.13: Chris Hadfield's retirement, invisibility cloaks and dino-bird feathers
Alt-week takes a look at the best science and alternative tech stories from the last seven days. What goes up must eventually come down, and shortly after landing on Terra Firma from his last of three ISS missions, Chris Hadfield has resigned from the Canadian Space Agency. That leaves us to wax poetic on his legacy of space education and other oddities, while we also make goldfish disappear and admire dinosaur plumage. Welcome to alt-week.
