Several small devices with low-powered microwave-beams might be able to do interesting things at beam-intersection points: https://www.google.com/url?sa=t&rct=j

Several small devices with low-powered microwave-beams might be able to do interesting things at beam-intersection points: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&ved=0ahUKEwiApuqO0qfWAhUpqVQKHdVcDXUQFghJMAU&url=https%3A%2F%2Fwww.cockcroft.ac.uk%2Fwp-content%2Fuploads%2F2014%2F12%2Fbeambeam-werner.pdf https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&c...