People have made prototypes but I think there may be hazzard if it gets your retina rather than a bug. There was an interesting idea the other day for a mini d

People have made prototypes but I think there may be hazzard if it gets your retina rather than a bug. There was an interesting idea the other day for a mini drone that bashes them with its prop - top comment here https://news.ycombinator.com/item?id=44702833 https://news.ycombinator.com/item?id=44702833