As conflicts erupt around the world, the technology of war and warfare is evolving. Dr. Jack Watling is no stranger to Sunday Morning on RNZ. Senior Research Fellow for Land Warfare at the Royal United Services Institute, he has regularly provided his expert analysis on the war in Ukraine both from an academic perspective and as someone who has also been to the frontline. In his new book, The Arms of the Future, he examines the ways modern technology is reshaping the weapons of warfare.