Spying could be done, too, with the tiny "drones" he invented, based on bumble bees, with a six-inch (15cm) wingspan and video cameras inside them.

他还以翁翁叫的蜜蜂为原型发明了微型“雄峰”飞行器，它同样能实施监视任务。这个飞行器只有六英寸翼展(15cm)，还内置了一个摄象机。