I kid you not. See: http://bits.blogs.nytimes.com/2010/02/12/using-lasers-to-zap-mosquitoes/
I once predicted CF-powered mechanical bats for this purpose, but this is more elegant. I wonder what the range is. QUOTES: . . . After hundreds of mosquitoes (which were kept in the hotel bathroom until showtime) were released into a glass tank, a laser tracked their movements and slowly shot them down, leaving their carcasses scattered on the bottom of the tank. While the demonstration was slowed down for public viewing, Mr. Myhrvold said that normally the lasers could shoot down anywhere between 50 to 100 mosquitoes per second. Mr. Myhrvold played a slow-motion recorded video that showed what happened to a representative mosquito. As the insect flew, a sudden light beam struck it, disintegrating parts of its body into a plume of smoke. It fell, even as its wings continued to beat. . . . The breakthrough relied on understanding how the technology that guides the precision of laser printing could be combined with the image-detecting charge-coupled devices, or C.C.D.’s, used in digital cameras and powerful image processing software. Mr. Myhrvold said he thinks there is particular potential in the Blu-ray laser technology, because blue lasers are more powerful than red ones and there are a lot of them being made cheaply now. He estimates that the devices could potentially cost as little $50, depending on the volume of demand. . . . The laser detection is so precise that it can specify the species, and even the gender, of the mosquito being targeted. “The women are bigger. They beat at a lower frequencies,” Mr. Myhrvold said. Since it is only the female mosquitoes who bite humans, for the sake of efficiency, his system would leave the males alone. - Jed
