After a summer of billionaires in space, many people have begun to wonder when they will get their turn. The cost of entering space is currently too high for the average citizen, but the work of PhD candidate Martin Nisser may help change that. His work on self-assembling robots could be key to reducing the costs that help determine the price of a ticket. Nisser’s fascination with engineering has been a consistent theme throughout a life filled with change. Born to Swedish parents, he spent a decade in Greece before…