A new column over at Tor.com:
It all comes down to worldbuilding. Delightful, amazing worldbuilding. This is a world in which magic—the Slack, which trained people can use to manipulate the elements—co-exists with technological development. Increasing technological development in the hands of the Machinists has lead to conflict, because the magicians—”Tensors”—understand that their monopoly on doing certain things will be challenged by these developments.