I want to say it was in one of the earlier Fate Worlds volumes? I'll look through my books and see if I can find it. I was about to say it was a Transhumanity's Fate thing but I think I just carried it over from a different book
That's the thing about having the excess of riches the Fate Core Worlds is- I haven't had a chance to read all of them, and the ones I have read sort of mix together in my mind making it hard to find references!