Stephen Fry explains… Alan Turing's amazing computer

Universal Machine upgrade needed, where can I find the parts? It's been almost two years* since Stephen Fry last put his foot in his mouth - but the boy has gone and done it again. The nation's most cherished TV advertisement voice-over artist is cherished here, too, at El Reg - for his technical wisdom. After attempting to explain how the internet works (it needs atomic clocks) we hosted a regular "Fryday" in which you offered us Fry-style explanations of how TV works, how Christmas tree lights...