scanning ability of images that people desire to acquire, for example. >> i want to show you a picture we have here, a graphic we have which shows one of these sound bullets being used on someone's brain. what are the medical applications of this? >> so that's a schematic diagram that represents one of the potential applications of our technology. the idea of being able to focus sound in a very narrow spot and with a much higher precision, higher energy so that you can either, for example, image parts of the human body or focus energy so that you can increase the temperature in, for example, cause death, or undesired cells, for example, tumor cells. this is a technique used in technology today. >> and finally, where you said, you said we're some distance away from what i showed in that movie clip.