1 00:00:00,500 --> 00:00:01,467 ♪ 2 00:00:01,500 --> 00:00:02,835 Exploring Ocean Worlds with Robots 3 00:00:02,868 --> 00:00:04,203 [Mechanical sounds] 4 00:00:04,236 --> 00:00:06,973 Robotics engineers have prototyped new technology 5 00:00:07,006 --> 00:00:08,708 for icy ocean worlds. 6 00:00:08,741 --> 00:00:10,743 Several moons in the outer solar system 7 00:00:10,776 --> 00:00:12,145 are believed to have liquid oceans. 8 00:00:12,178 --> 00:00:15,114 ♪ 9 00:00:15,147 --> 00:00:19,085 If they have liquid water, they may be able to support life. 10 00:00:20,653 --> 00:00:25,458 But to acquire samples, robot visitors will need new tools. 11 00:00:25,491 --> 00:00:26,459 [crunching sounds] 12 00:00:26,492 --> 00:00:28,227 Rovers would need special wheels 13 00:00:28,260 --> 00:00:29,596 to cross ice that behaves like sand. 14 00:00:30,362 --> 00:00:32,432 A folding arm could reach up to 33 feet (10 meters) 15 00:00:32,465 --> 00:00:33,433 for distant samples. 16 00:00:33,466 --> 00:00:36,369 ♪ 17 00:00:36,402 --> 00:00:37,537 For an even longer reach, 18 00:00:37,570 --> 00:00:39,038 a projectile launcher could send a sampling mechanism 19 00:00:39,071 --> 00:00:39,705 [click] 20 00:00:39,738 --> 00:00:41,007 [slowed down roar] 21 00:00:41,040 --> 00:00:44,377 up to 164 feet (50 meters) away. 22 00:00:44,410 --> 00:00:47,680 It would then be reeled in on a tether. 23 00:00:47,713 --> 00:00:51,551 Both the arm and launcher could use a claw to grab samples. 24 00:00:52,551 --> 00:00:55,321 Heated prongs would melt in to secure a grip. 25 00:00:55,354 --> 00:00:56,722 [grinding] 26 00:00:56,755 --> 00:00:58,458 allowing a drill to penetrate the ice. 27 00:00:58,491 --> 00:00:59,492 [drill sound] 28 00:01:00,392 --> 00:01:02,162 And that's just on the surface. 29 00:01:02,828 --> 00:01:04,363 A subsurface probe could contain 30 00:01:04,396 --> 00:01:07,600 a buzz saw to bore through the icy crust 31 00:01:08,134 --> 00:01:09,769 and send samples of ice water back to the surface 32 00:01:09,802 --> 00:01:10,770 through pneumatic tubes. 33 00:01:10,803 --> 00:01:12,371 ♪ 34 00:01:12,404 --> 00:01:14,907 The probe could bore for miles. 35 00:01:14,940 --> 00:01:18,078 These prototypes are just a starting point. 36 00:01:18,511 --> 00:01:20,947 Each prototype is now under review by NASA. 37 00:01:20,980 --> 00:01:22,882 ♪ 38 00:01:22,915 --> 00:01:25,051 If selected for future development, these robotic tools 39 00:01:25,084 --> 00:01:27,687 could one day help us explore the outer solar system. 40 00:01:28,287 --> 00:01:30,056 These robotic tools were developed at JPL as part of 41 00:01:30,089 --> 00:01:32,391 the Ocean Worlds Mobility and Sesnsing study, 42 00:01:32,424 --> 00:01:34,894 funded by NASA's Science Technology Mission Directorate. 43 00:01:35,528 --> 00:01:37,063 NASA Jet Propulsion Laboratory