[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:01.02,0:00:03.47,Default,,0000,0000,0000,,So robots. Dialogue: 0,0:00:03.47,0:00:07.42,Default,,0000,0000,0000,,Robots can be programmed\Nto do the same task millions of times Dialogue: 0,0:00:07.42,0:00:11.29,Default,,0000,0000,0000,,with minimal error, something\Nvery difficult for us, right? Dialogue: 0,0:00:11.29,0:00:14.48,Default,,0000,0000,0000,,And it can be very impressive\Nto watch them at work. Dialogue: 0,0:00:14.48,0:00:15.76,Default,,0000,0000,0000,,Look at them. Dialogue: 0,0:00:15.76,0:00:18.47,Default,,0000,0000,0000,,I could watch them for hours. Dialogue: 0,0:00:18.47,0:00:19.62,Default,,0000,0000,0000,,No? Dialogue: 0,0:00:19.62,0:00:23.56,Default,,0000,0000,0000,,But what is less impressive\Nthat if you take this robot Dialogue: 0,0:00:23.56,0:00:24.82,Default,,0000,0000,0000,,out of the factories Dialogue: 0,0:00:24.82,0:00:29.22,Default,,0000,0000,0000,,where the environments are not\Nperfectly known and measured like here, Dialogue: 0,0:00:29.22,0:00:33.59,Default,,0000,0000,0000,,to do even a simple task\Nwhich doesn't require much precision, Dialogue: 0,0:00:33.59,0:00:35.22,Default,,0000,0000,0000,,and this is what can happen. Dialogue: 0,0:00:35.22,0:00:37.51,Default,,0000,0000,0000,,I mean, opening a door,\Nyou don't require much precision. Dialogue: 0,0:00:37.51,0:00:38.90,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:00:38.90,0:00:41.71,Default,,0000,0000,0000,,Or, a small error in the measurements, Dialogue: 0,0:00:41.71,0:00:43.47,Default,,0000,0000,0000,,you miss the ?? and that's it Dialogue: 0,0:00:43.47,0:00:44.76,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:00:44.76,0:00:47.76,Default,,0000,0000,0000,,with no way of recovering\Nmost of the time. Dialogue: 0,0:00:47.76,0:00:49.33,Default,,0000,0000,0000,,So why is that? Dialogue: 0,0:00:49.33,0:00:51.36,Default,,0000,0000,0000,,Well, for many years, Dialogue: 0,0:00:51.36,0:00:54.86,Default,,0000,0000,0000,,robots have been designed\Nto emphasize speed and precision, Dialogue: 0,0:00:54.86,0:00:57.83,Default,,0000,0000,0000,,and this translates\Nin a very specific architecture. Dialogue: 0,0:00:57.83,0:00:58.87,Default,,0000,0000,0000,,If we take a robot term, Dialogue: 0,0:00:58.87,0:01:01.63,Default,,0000,0000,0000,,it's a very well-defined\Nset of rigid links Dialogue: 0,0:01:01.63,0:01:03.85,Default,,0000,0000,0000,,and mortars who are called actuators, Dialogue: 0,0:01:03.85,0:01:05.92,Default,,0000,0000,0000,,they move the links above the joins. Dialogue: 0,0:01:05.92,0:01:07.15,Default,,0000,0000,0000,,In this ?? structure, Dialogue: 0,0:01:07.15,0:01:08.79,Default,,0000,0000,0000,,you have to perfectly\Nmeasure your environment, Dialogue: 0,0:01:08.79,0:01:10.80,Default,,0000,0000,0000,,so what is around, Dialogue: 0,0:01:10.80,0:01:13.65,Default,,0000,0000,0000,,and you have to perfectly\Nprogram every movement Dialogue: 0,0:01:13.65,0:01:15.27,Default,,0000,0000,0000,,of the robot joints, Dialogue: 0,0:01:15.27,0:01:19.16,Default,,0000,0000,0000,,because a small error\Ncan generate a very large fault, Dialogue: 0,0:01:19.16,0:01:22.19,Default,,0000,0000,0000,,so you can damage something\Nor you can get your robot damaged Dialogue: 0,0:01:22.19,0:01:24.31,Default,,0000,0000,0000,,if something is harder. Dialogue: 0,0:01:24.31,0:01:26.63,Default,,0000,0000,0000,,So let's talk about them a moment, Dialogue: 0,0:01:26.63,0:01:29.40,Default,,0000,0000,0000,,and don't think about\Nthe brains of these robots Dialogue: 0,0:01:29.40,0:01:32.26,Default,,0000,0000,0000,,or how carefully we program them, Dialogue: 0,0:01:32.26,0:01:34.61,Default,,0000,0000,0000,,but rather look at their bodies. Dialogue: 0,0:01:34.61,0:01:37.56,Default,,0000,0000,0000,,There is obviously\Nsomething wrong with it, Dialogue: 0,0:01:37.56,0:01:40.97,Default,,0000,0000,0000,,because what makes a robot\Nprecise and strong Dialogue: 0,0:01:40.97,0:01:45.50,Default,,0000,0000,0000,,also makes them ridiculously dangerous\Nand ineffective in the real world, Dialogue: 0,0:01:45.50,0:01:47.57,Default,,0000,0000,0000,,because their body cannot deform Dialogue: 0,0:01:47.57,0:01:51.51,Default,,0000,0000,0000,,or better adjust to the interaction\Nwith the real world. Dialogue: 0,0:01:51.51,0:01:54.65,Default,,0000,0000,0000,,So think about the opposite approach, Dialogue: 0,0:01:54.65,0:01:58.18,Default,,0000,0000,0000,,being softer than\Nanything else around you. Dialogue: 0,0:01:58.18,0:02:03.14,Default,,0000,0000,0000,,Well, maybe you think that you're not\Nreally able to do anything if you're soft, Dialogue: 0,0:02:03.14,0:02:04.15,Default,,0000,0000,0000,,probably. Dialogue: 0,0:02:04.15,0:02:07.31,Default,,0000,0000,0000,,Well, nature teaches us the opposite. Dialogue: 0,0:02:07.31,0:02:10.32,Default,,0000,0000,0000,,For example, at the bottom of the ocean\Nunder thousands of pounds Dialogue: 0,0:02:10.32,0:02:11.61,Default,,0000,0000,0000,,of ?? pressure, Dialogue: 0,0:02:11.61,0:02:14.17,Default,,0000,0000,0000,,a completely soft animal Dialogue: 0,0:02:14.17,0:02:18.08,Default,,0000,0000,0000,,can move and interact with a much\Nstiffer object than him. Dialogue: 0,0:02:18.08,0:02:20.95,Default,,0000,0000,0000,,He works by carrying around\Nthis coconut shell Dialogue: 0,0:02:20.95,0:02:23.36,Default,,0000,0000,0000,,thanks to the flexibility\Nof his tentacles, Dialogue: 0,0:02:23.36,0:02:26.46,Default,,0000,0000,0000,,which serve as both his feet and hands. Dialogue: 0,0:02:26.46,0:02:30.82,Default,,0000,0000,0000,,And apparently, an octopus\Ncan also open a jar. Dialogue: 0,0:02:30.82,0:02:33.64,Default,,0000,0000,0000,,It's pretty impressive, right? Dialogue: 0,0:02:35.59,0:02:40.35,Default,,0000,0000,0000,,But clearly, this is not enabled\Njust by the brain of this animal, Dialogue: 0,0:02:40.35,0:02:42.61,Default,,0000,0000,0000,,but also by his body, Dialogue: 0,0:02:42.61,0:02:46.90,Default,,0000,0000,0000,,and it's a clear example,\Nmaybe the clearest example, Dialogue: 0,0:02:46.90,0:02:48.61,Default,,0000,0000,0000,,of embodied intelligence, Dialogue: 0,0:02:48.61,0:02:51.99,Default,,0000,0000,0000,,which is a kind of intelligence\Nthat all living organisms have. Dialogue: 0,0:02:51.99,0:02:53.31,Default,,0000,0000,0000,,We all have that. Dialogue: 0,0:02:53.31,0:02:57.33,Default,,0000,0000,0000,,Our body, its shape,\Nmaterial and structure, Dialogue: 0,0:02:57.33,0:03:00.60,Default,,0000,0000,0000,,plays a fundamental role\Nduring a physical task, Dialogue: 0,0:03:00.60,0:03:05.70,Default,,0000,0000,0000,,because we can conform\Nto our environment Dialogue: 0,0:03:05.70,0:03:08.66,Default,,0000,0000,0000,,so we can succeed in a large\Nvariety of situations Dialogue: 0,0:03:08.66,0:03:11.61,Default,,0000,0000,0000,,without much planning\Nor calculations ahead. Dialogue: 0,0:03:11.61,0:03:15.44,Default,,0000,0000,0000,,So why don't we put\Nsome of this embodied intelligence Dialogue: 0,0:03:15.44,0:03:16.65,Default,,0000,0000,0000,,into our robotic machines Dialogue: 0,0:03:16.65,0:03:18.56,Default,,0000,0000,0000,,to release them from relying\Non excessive work Dialogue: 0,0:03:18.56,0:03:20.87,Default,,0000,0000,0000,,on computation and sensing? Dialogue: 0,0:03:20.87,0:03:23.92,Default,,0000,0000,0000,,Well, to do that we can follow\Nthe strategy of nature, Dialogue: 0,0:03:23.92,0:03:26.74,Default,,0000,0000,0000,,because with evolution,\Nshe's done a pretty good job Dialogue: 0,0:03:26.74,0:03:31.26,Default,,0000,0000,0000,,in designing machines\Nfor environment interaction, Dialogue: 0,0:03:31.26,0:03:35.78,Default,,0000,0000,0000,,and it's easy to notice that nature\Nuses soft material frequently Dialogue: 0,0:03:35.78,0:03:38.09,Default,,0000,0000,0000,,and stiff material sparingly. Dialogue: 0,0:03:38.09,0:03:41.91,Default,,0000,0000,0000,,And this is what is done\Nin this new field or robotics Dialogue: 0,0:03:41.91,0:03:44.23,Default,,0000,0000,0000,,which is called soft robotics, Dialogue: 0,0:03:44.23,0:03:47.99,Default,,0000,0000,0000,,in which the main objective\Nis not to make super-precise machines Dialogue: 0,0:03:47.99,0:03:49.82,Default,,0000,0000,0000,,because we've already got them, Dialogue: 0,0:03:49.82,0:03:54.12,Default,,0000,0000,0000,,but to make robots able to face\Nunexpected situations in the real world, Dialogue: 0,0:03:54.12,0:03:56.56,Default,,0000,0000,0000,,so able to go out there. Dialogue: 0,0:03:56.56,0:03:59.99,Default,,0000,0000,0000,,And what makes a robot soft\Nis first of all his compliant body, Dialogue: 0,0:03:59.99,0:04:05.23,Default,,0000,0000,0000,,which is made of materials or structures\Nthat can undergo very large deformations, Dialogue: 0,0:04:05.23,0:04:07.31,Default,,0000,0000,0000,,so no more rigid links, Dialogue: 0,0:04:07.31,0:04:11.37,Default,,0000,0000,0000,,and secondly to move them\Nwe use what we call distributed actuation, Dialogue: 0,0:04:11.37,0:04:15.97,Default,,0000,0000,0000,,so we have to control continuously\Nthe shape of this very deformable body, Dialogue: 0,0:04:15.97,0:04:19.29,Default,,0000,0000,0000,,which is the fact of having\Na lot of links and joints, Dialogue: 0,0:04:19.29,0:04:22.06,Default,,0000,0000,0000,,but we don't have\Nany stiff structure at all. Dialogue: 0,0:04:22.06,0:04:25.30,Default,,0000,0000,0000,,So you can imagine that building\Na soft robot is a very different process Dialogue: 0,0:04:25.30,0:04:29.20,Default,,0000,0000,0000,,than stiff robotics, where\Nyou have links, gears, screws Dialogue: 0,0:04:29.20,0:04:31.46,Default,,0000,0000,0000,,that you must combine\Nin a very defined way. Dialogue: 0,0:04:31.46,0:04:35.01,Default,,0000,0000,0000,,In soft robots, you just build\Nyour actuator from scratch Dialogue: 0,0:04:35.01,0:04:36.14,Default,,0000,0000,0000,,most of the time, Dialogue: 0,0:04:36.14,0:04:38.39,Default,,0000,0000,0000,,but you shape your flexible material Dialogue: 0,0:04:38.39,0:04:41.25,Default,,0000,0000,0000,,to the form that responds\Nto a certain input. Dialogue: 0,0:04:41.25,0:04:44.54,Default,,0000,0000,0000,,For example here, you can just\Ndeform a structure Dialogue: 0,0:04:44.54,0:04:46.39,Default,,0000,0000,0000,,doing a fairly complex shape Dialogue: 0,0:04:46.39,0:04:49.53,Default,,0000,0000,0000,,if you think about doing the same\Nwith rigid links and joints, Dialogue: 0,0:04:49.53,0:04:52.09,Default,,0000,0000,0000,,and here what you use is just one input, Dialogue: 0,0:04:52.09,0:04:54.07,Default,,0000,0000,0000,,such as air pressure. Dialogue: 0,0:04:54.07,0:04:57.58,Default,,0000,0000,0000,,Okay, but let's see\Nsome cool examples of soft robots. Dialogue: 0,0:04:57.58,0:05:00.92,Default,,0000,0000,0000,,Here is a little cute guy\Ndeveloped by Harvard University, Dialogue: 0,0:05:00.92,0:05:07.12,Default,,0000,0000,0000,,and he works thanks to waves\Nof pressure applied along its body, Dialogue: 0,0:05:07.12,0:05:10.57,Default,,0000,0000,0000,,and thanks to the flexibility he can\Nalso sneak under a low bridge, Dialogue: 0,0:05:10.57,0:05:11.72,Default,,0000,0000,0000,,keep walking, Dialogue: 0,0:05:11.72,0:05:15.43,Default,,0000,0000,0000,,and then keep walking\Na little bit different afterwards. Dialogue: 0,0:05:15.43,0:05:18.23,Default,,0000,0000,0000,,And it's a very preliminary prototype, Dialogue: 0,0:05:18.23,0:05:21.08,Default,,0000,0000,0000,,but they also built a more robust version Dialogue: 0,0:05:21.08,0:05:22.22,Default,,0000,0000,0000,,with power on board that can actually\Nbe sent out in the world Dialogue: 0,0:05:22.22,0:05:26.97,Default,,0000,0000,0000,,and face real-world interactions Dialogue: 0,0:05:26.97,0:05:29.05,Default,,0000,0000,0000,,like a car passing it over it, Dialogue: 0,0:05:29.05,0:05:30.76,Default,,0000,0000,0000,,and keep working. Dialogue: 0,0:05:30.76,0:05:32.20,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:05:32.20,0:05:33.48,Default,,0000,0000,0000,,It's cute. Dialogue: 0,0:05:33.48,0:05:34.98,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:05:34.98,0:05:38.62,Default,,0000,0000,0000,,Or a robotic fish which swims\Nlike a real fish does Dialogue: 0,0:05:38.62,0:05:42.49,Default,,0000,0000,0000,,in water simply because it has a soft tail\Nwith distributed actuation Dialogue: 0,0:05:42.49,0:05:44.15,Default,,0000,0000,0000,,using still air pressure. Dialogue: 0,0:05:44.15,0:05:45.65,Default,,0000,0000,0000,,That was from MIT, Dialogue: 0,0:05:45.65,0:05:48.36,Default,,0000,0000,0000,,and of course we have a robotic octopus. Dialogue: 0,0:05:48.36,0:05:50.74,Default,,0000,0000,0000,,This was actually one of\Nthe first projects developed Dialogue: 0,0:05:50.74,0:05:52.62,Default,,0000,0000,0000,,in this new field of soft robots. Dialogue: 0,0:05:52.62,0:05:54.73,Default,,0000,0000,0000,,Here you see the artificial tentacle, Dialogue: 0,0:05:54.73,0:05:58.34,Default,,0000,0000,0000,,but they actually built and entire machine Dialogue: 0,0:05:58.34,0:06:01.100,Default,,0000,0000,0000,,with several tentacles they could\Njust throw in the water, Dialogue: 0,0:06:01.100,0:06:05.32,Default,,0000,0000,0000,,and you see that it can kind of go around\Nand do submarine exploration Dialogue: 0,0:06:05.32,0:06:09.58,Default,,0000,0000,0000,,in a different way\Nthan rigid robots would do. Dialogue: 0,0:06:09.58,0:06:13.19,Default,,0000,0000,0000,,But this is very important for delicate\Nenvironments such as coral reefs. Dialogue: 0,0:06:13.19,0:06:15.19,Default,,0000,0000,0000,,Let's go back to the ground. Dialogue: 0,0:06:15.19,0:06:17.69,Default,,0000,0000,0000,,Here you see the view Dialogue: 0,0:06:17.69,0:06:20.00,Default,,0000,0000,0000,,from a growing robot developed\Nby my colleagues in Stanford. Dialogue: 0,0:06:20.00,0:06:21.97,Default,,0000,0000,0000,,You see the camera fixed on top. Dialogue: 0,0:06:21.97,0:06:25.07,Default,,0000,0000,0000,,And this robot is particular\Nbecause using air pressure Dialogue: 0,0:06:25.07,0:06:27.13,Default,,0000,0000,0000,,it grows from the tip\Nwhile the rest of the body Dialogue: 0,0:06:27.13,0:06:29.63,Default,,0000,0000,0000,,stays in firm contact\Nwith the environment. Dialogue: 0,0:06:29.63,0:06:32.37,Default,,0000,0000,0000,,And this is inspired\Nby plants, not animals, Dialogue: 0,0:06:32.37,0:06:35.60,Default,,0000,0000,0000,,which grows via the material\Nin a similar manner Dialogue: 0,0:06:35.60,0:06:39.17,Default,,0000,0000,0000,,so it can face a pretty large\Nvariety of situations. Dialogue: 0,0:06:39.17,0:06:41.01,Default,,0000,0000,0000,,But I'm a biomedical engineer, Dialogue: 0,0:06:41.01,0:06:43.46,Default,,0000,0000,0000,,and perhaps the application\NI like the most Dialogue: 0,0:06:43.46,0:06:45.02,Default,,0000,0000,0000,,it's in the medical field, Dialogue: 0,0:06:45.02,0:06:49.93,Default,,0000,0000,0000,,and it's very difficult to imagine\Na closer interaction with the human body Dialogue: 0,0:06:49.93,0:06:51.74,Default,,0000,0000,0000,,than actually going inside the body, Dialogue: 0,0:06:51.74,0:06:55.29,Default,,0000,0000,0000,,for example to inform\Na minimally invasive procedure. Dialogue: 0,0:06:55.29,0:06:58.68,Default,,0000,0000,0000,,And here, robots can be\Nvery helpful with the surgeon Dialogue: 0,0:06:58.68,0:07:00.60,Default,,0000,0000,0000,,because they must enter the body Dialogue: 0,0:07:00.60,0:07:03.38,Default,,0000,0000,0000,,using small holes\Nand straight instruments, Dialogue: 0,0:07:03.38,0:07:06.54,Default,,0000,0000,0000,,and these instruments must interact\Nwith very delicate structures Dialogue: 0,0:07:06.54,0:07:08.72,Default,,0000,0000,0000,,in a very uncertain environment, Dialogue: 0,0:07:08.72,0:07:10.68,Default,,0000,0000,0000,,and this must be done safely. Dialogue: 0,0:07:10.68,0:07:13.02,Default,,0000,0000,0000,,Also bringing the camera inside the body, Dialogue: 0,0:07:13.02,0:07:17.13,Default,,0000,0000,0000,,so bringing the eyes of the surgeon\Ninside the subject, I feel, Dialogue: 0,0:07:17.13,0:07:18.79,Default,,0000,0000,0000,,can be very challenging\Nif you use a rigid stick, Dialogue: 0,0:07:18.79,0:07:20.42,Default,,0000,0000,0000,,like a classic endoscope. Dialogue: 0,0:07:20.42,0:07:23.37,Default,,0000,0000,0000,,With my previous research group in Europe, Dialogue: 0,0:07:23.37,0:07:26.18,Default,,0000,0000,0000,,we developed this\Nself-camera robot for surgery, Dialogue: 0,0:07:26.18,0:07:29.50,Default,,0000,0000,0000,,which is very different\Nfrom a classic endoscope Dialogue: 0,0:07:29.50,0:07:34.12,Default,,0000,0000,0000,,which can move thanks\Nto the flexibility of the module Dialogue: 0,0:07:34.12,0:07:35.71,Default,,0000,0000,0000,,that can bend and elongate, Dialogue: 0,0:07:35.71,0:07:37.96,Default,,0000,0000,0000,,bend in every direction\Nand also elongate. Dialogue: 0,0:07:37.96,0:07:41.49,Default,,0000,0000,0000,,And this was actually used by surgeons\Nto see what they were doing Dialogue: 0,0:07:41.49,0:07:43.44,Default,,0000,0000,0000,,with other instruments\Nfrom different points of view Dialogue: 0,0:07:43.44,0:07:47.48,Default,,0000,0000,0000,,without caring that much\Nabout what was touched around. Dialogue: 0,0:07:47.48,0:07:51.24,Default,,0000,0000,0000,,And here you see the soft robot in action, Dialogue: 0,0:07:51.24,0:07:54.58,Default,,0000,0000,0000,,and it just goes inside. Dialogue: 0,0:07:54.58,0:07:57.46,Default,,0000,0000,0000,,This is a body simulator,\Nnot a real human body. Dialogue: 0,0:07:57.46,0:07:58.60,Default,,0000,0000,0000,,It goes around. Dialogue: 0,0:07:58.60,0:08:01.08,Default,,0000,0000,0000,,You have a light, because usually\Nyou don't have too many lights Dialogue: 0,0:08:01.08,0:08:02.18,Default,,0000,0000,0000,,inside your body. Dialogue: 0,0:08:02.18,0:08:03.42,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:08:03.42,0:08:04.59,Default,,0000,0000,0000,,We hope. Dialogue: 0,0:08:04.59,0:08:07.97,Default,,0000,0000,0000,,(Laughter) Dialogue: 0,0:08:07.97,0:08:12.22,Default,,0000,0000,0000,,But sometimes a surgical procedure\Ncan even be done using a single needle, Dialogue: 0,0:08:12.22,0:08:15.72,Default,,0000,0000,0000,,and in Stanford now, we are working\Non a very flexible needle, Dialogue: 0,0:08:15.72,0:08:19.12,Default,,0000,0000,0000,,kind of a very tiny soft robot Dialogue: 0,0:08:19.12,0:08:23.71,Default,,0000,0000,0000,,which is mechanically designed\Nto use the interaction with the tissue Dialogue: 0,0:08:23.71,0:08:24.84,Default,,0000,0000,0000,,and steer around inside a solid organ. Dialogue: 0,0:08:24.84,0:08:29.07,Default,,0000,0000,0000,,This makes it possible to reach\Nmany different targets such as tumors Dialogue: 0,0:08:29.07,0:08:32.26,Default,,0000,0000,0000,,deep inside a solid organ Dialogue: 0,0:08:32.26,0:08:32.99,Default,,0000,0000,0000,,by using one single insertion point, Dialogue: 0,0:08:32.99,0:08:39.53,Default,,0000,0000,0000,,and you can even steer around\Nthe structure that you want to avoid Dialogue: 0,0:08:39.53,0:08:39.98,Default,,0000,0000,0000,,on the way to the target. Dialogue: 0,0:08:39.98,0:08:42.95,Default,,0000,0000,0000,,So clearly, this is a pretty\Nexciting time for robotics. Dialogue: 0,0:08:42.95,0:08:46.08,Default,,0000,0000,0000,,We have robots that have to deal\Nwith soft structure, Dialogue: 0,0:08:46.08,0:08:50.24,Default,,0000,0000,0000,,so this poses new\Nand very challenging questions Dialogue: 0,0:08:50.24,0:08:51.20,Default,,0000,0000,0000,,for the robotics community, Dialogue: 0,0:08:51.20,0:08:52.97,Default,,0000,0000,0000,,and indeed we are just starting\Nto learn how to control, Dialogue: 0,0:08:52.97,0:08:55.94,Default,,0000,0000,0000,,how to put sensors\Non these very flexible structures. Dialogue: 0,0:08:55.94,0:08:58.62,Default,,0000,0000,0000,,But of course, we are not even close\Nto what nature figured out Dialogue: 0,0:08:58.62,0:09:01.00,Default,,0000,0000,0000,,in millions of years of evolution. Dialogue: 0,0:09:01.00,0:09:03.30,Default,,0000,0000,0000,,But one thing I know for sure: Dialogue: 0,0:09:03.30,0:09:05.84,Default,,0000,0000,0000,,that robots will be softer and safer, Dialogue: 0,0:09:05.84,0:09:08.38,Default,,0000,0000,0000,,and they will be out there helping people. Dialogue: 0,0:09:08.38,0:09:09.19,Default,,0000,0000,0000,,Yeah. Dialogue: 0,0:09:09.19,0:09:11.26,Default,,0000,0000,0000,,Thank you. Dialogue: 0,0:09:11.26,0:09:14.52,Default,,0000,0000,0000,,(Applause)