Space is big. Really big. And it has a foamy edge – who knew that? Prof Lucie Green clearly does, and outlined some of the difficulties in designing equipment for the forthcoming Solar Explorerer mission at a talk last week. (http://luciegreen.com/). If you ever doubted that design thinking and space exploration were linked, try this; http://www.core77.com/posts/41855/Is-Design-Thinking-Rocket-Science