Any machine, design, works as the sum of the varied components. In order to work out whether we think the machine, the design, will work, we should have a look at those moving parts and how theyTim 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 i ...