 And then I start to work on 3D flights and imaging, which is actually another dimension of imaging. Let's think about this way. If you want to understand the life, right, you need to understand two things. You need two kind of information. One is spatial resolution, right? Basically, you have to see the details or you have to see the object. And the other dimension is you want to see the process, you want to see things alive, right? Because if you for any super resolution technique, or most super resolution technique, what do you have is a very high-resolution image of a dead sample, of a fixed sample, a dead stuff. At the moment, on a plane, that's the most of time you can get. I mean, how much you can interpret this life, a living process from that information, not enough, right? And then you will need, you will want to have the image alive, dynamic 3D process alive with high resolution. And that's a different challenge. And that is a project I was working on when I was in Eric's lab and since that, actually. So the differences between like something as a very thin slice of some tissue over one moment in time, versus the already dead, versus something that's alive, like a Drosophila fruit fly, and being able to image while it's alive over time with the brain or something. Right, you can think about that a little bit, or you can say, let's say you are having an HD image, like a 4K image in your hands about a football game, or you prefer to say, let's say, to watch the game at maybe 480 pixel resolution for an hour. One play, just one play versus the whole game. Exactly, so basically actually you want both, right? You want the high resolution live video of the entire process, but at that point of time, 2010, there were several good live image techniques. I like that sports analogy a lot, it's a really good one actually. Sure. Seeing one play of the game and trying to make some inference about how the biology works, versus watching the whole game in high definition. Exactly. That's a really good analogy. So in the end, we are collecting information of the process live process, right? So basically, that was the motivation of my project, how I started it.