Basically the idea of using ultrasound for repelling bugs is not new I sell some small scale versions on my website. They repell pests by generating ultrasound that only the animal you wish to deter can effectively hear and the sound, or the sound is taken to be a warning noise that only that species generates to warn themselves of impending danger. Now mosquitos carry malaria I believe and Africa are not the only one with this problem. Surely it is posible to generate and broadcast...