Attention and praise are quite rightly going to be heaped on pilot André Borschberg, but behind the scenes Solar Impulse is also the work of a giant logistical operation that would put a space mission to shame.
There aren't enough letters in the alphabet to classify this monstrous battery China's built. D x 1,000? Not even close. With arrays larger than a football field it can store a whopping 36 megawatt hours of power.