1 00:00:00,476 --> 00:00:03,626 >> Speaker 1: The Microgravity Science Glovebox located 2 00:00:03,626 --> 00:00:06,766 in the Destiny Laboratory provides 9 cubic feet 3 00:00:06,766 --> 00:00:10,066 of enclosed workspace for conducting a wide variety 4 00:00:10,066 --> 00:00:12,866 of experiments that require liquids, combustion 5 00:00:13,046 --> 00:00:14,666 or hazardous materials. 6 00:00:15,576 --> 00:00:19,346 ISS crewmembers can safely use its rugged gloves to work 7 00:00:19,346 --> 00:00:21,626 in a sealed environment without the risk 8 00:00:21,626 --> 00:00:25,186 of releasing any small parts, particles, fluids or gases 9 00:00:25,416 --> 00:00:27,766 into the rest of the laboratory. 10 00:00:28,056 --> 00:00:30,776 The structure and liftoff in combustion experiment, 11 00:00:30,956 --> 00:00:34,646 or a SLICE, utilizes the MSG to study and work 12 00:00:34,646 --> 00:00:36,236 with fire in microgravity. 13 00:00:37,156 --> 00:00:40,376 SLICE allows astronauts to photograph and measure the shape 14 00:00:40,376 --> 00:00:43,756 in temperature of flames produced by various fuels 15 00:00:43,756 --> 00:00:45,606 and sizes of burner nozzles. 16 00:00:46,656 --> 00:00:49,946 These assorted flame shapes and sizes are then modeled 17 00:00:49,946 --> 00:00:52,526 to help scientists develop more efficient engines 18 00:00:52,526 --> 00:00:54,536 and furnaces here on earth. 19 00:00:55,526 --> 00:00:58,816 The MSG is also used to conduct the BASS experiment, 20 00:00:59,086 --> 00:01:02,046 which stands for burning suppression of solids. 21 00:01:02,636 --> 00:01:05,696 Instead of measuring flames from burner nozzles, 22 00:01:05,696 --> 00:01:09,996 the BASS experiment observes and models the geometry of flames 23 00:01:10,156 --> 00:01:13,626 on solid spheres and flat surfaces. 24 00:01:13,626 --> 00:01:17,206 These control fires are then extinguish in a variety of ways 25 00:01:17,206 --> 00:01:19,746 to look for the best strategy to use 26 00:01:19,746 --> 00:01:22,846 for suppressing flames in microgravity. 27 00:01:22,846 --> 00:01:25,766 Improved fire detection and suppression systems for use 28 00:01:25,766 --> 00:01:31,156 on earth and the ISS can then be designed from this information. 29 00:01:31,156 --> 00:01:33,546 The MSG is also used to accommodate tests 30 00:01:33,546 --> 00:01:37,426 for heating liquids in the boiling experiment facility. 31 00:01:37,426 --> 00:01:40,516 A small container that includes 2 types of heating arrays, 32 00:01:40,786 --> 00:01:43,176 high-speed video cameras, and a variety 33 00:01:43,176 --> 00:01:44,416 of tools for measurement. 34 00:01:44,786 --> 00:01:47,156 Experiments in the [inaudible], 35 00:01:47,536 --> 00:01:49,756 try to determine critical heat flux, 36 00:01:50,066 --> 00:01:52,816 the point at which a heat source becomes so hopped 37 00:01:53,106 --> 00:01:55,206 that the liquid can't actually touch it. 38 00:01:55,316 --> 00:01:58,006 Interestingly the information 39 00:01:58,006 --> 00:02:00,676 from the critical heat flux is used 40 00:02:00,676 --> 00:02:03,106 to design enhanced cooling systems. 41 00:02:03,106 --> 00:02:07,726 The [inaudible] heating arrays are also used to study the shape 42 00:02:07,726 --> 00:02:09,576 and buoyancy of bubbles. 43 00:02:09,616 --> 00:02:13,796 The high-speed cameras in the [inaudible] capture the growth, 44 00:02:14,016 --> 00:02:17,396 detachment, and motion of 2 types of vapor bubbles- 45 00:02:17,846 --> 00:02:21,006 small individual bubbles and larger bubbles 46 00:02:21,006 --> 00:02:22,216 that have merged together. 47 00:02:23,636 --> 00:02:26,736 Without the Microgravity Science Glovebox aboard the ISS, 48 00:02:26,736 --> 00:02:30,566 there wouldn't be a safe way to work with dangerous materials