The bits inside the machine, how they work together, are what determine the output of the machine. If we want to understand what a machine will produce, we need to grasp those internal matters.Tim Worstall is a wholesaler of rare earth metals and one of the global experts in the metal scandium. He is also a Fellow at the Adam Smith Inst in London and an writer for a number of media outlets, including The Times (London), Telegraph, The Register and even, very occasionally indeed, for the WSJ. This account is ...