Raytheon has developed a gun which uses directed energy to cause excruciating pain for distances of up to a half mile. As I understand it, the agony ray emits micro-waves attuned to human nerve-ending frequency. This induces a burning sensation without the bother of a flame and it leaves no mark.
When I think of the skill, money, and energy being used by Man to harm men as contrasted against presidential vetos of healthcare for children I can only wonder at our fate.
Why are people so single-minded and tireless in their pursuit of inflicting suffering?