While we may still not have flying cars, robot butlers or food replicators actually in our possession, you can now order something else you may have long dreamt of. It's called the Photon Matrix, and it uses lasers to track and kill airborne mosquitoes.Currently the subject of an Indiegogo campaign, the Chinese-designed device is claimed to be capable of detecting a mosquito and gauging its distance, orientation and body size within just 3 milliseconds.It does so using a LiDAR (light detection a...