"Blue sky thinking", "Thinking outside the box"; the often used, cliche phrases that feel plucked from the mouth of David Brent, but is their vilification deserved? Without the dreams and unhindered ambition of people like John F Kennedy, Carl Sagan and Elon Musk, humanity would not be looking at the realistic possibility of us mere mortals taking a trip on a space rocket within the next 30 years. If we stifle these dreams and ambitions, then humanity is in conflict with its