Ninety-six identical twins working ninety-six identical machines! You really know where you are. For the first time in history. Community, Identity, Stability. If we could bokanovskify indefinitely the whole problem would be solved.
Sixteen thousand and twelve; in one hundred and eighty-nine batches of identicals. But of course they've done much better, in some of the tropi- cal Centres. Singapore has often produced over sixteen thousand five hundred; and Mombasa has actually touched the seventeen thousand mark.
Doing repairs on the outside of a rocket in mid-air is a ticklish job. We slacken off the circulation when they're right way up, so that they're half starved, and double the flow of surrogate when they're upside down. They learn to associate topsy-turvydom with well-being; in fact, they're only truly happy when they're standing on their heads.