1 00:00:13,430 --> 00:00:11,430 with the demand for travel to pacific 2 00:00:15,509 --> 00:00:13,440 countries on the increase 3 00:00:18,310 --> 00:00:15,519 nasa is working with united states 4 00:00:20,390 --> 00:00:18,320 manufacturers to develop the technology 5 00:00:23,269 --> 00:00:20,400 for a better way to get there 6 00:00:25,429 --> 00:00:23,279 in atmospheric sciences researchers are 7 00:00:27,750 --> 00:00:25,439 assessing the projected future state of 8 00:00:29,589 --> 00:00:27,760 the ozone layer and propulsion 9 00:00:32,630 --> 00:00:29,599 scientists are developing engine 10 00:00:34,870 --> 00:00:32,640 technology with very low emissions 11 00:00:37,110 --> 00:00:34,880 in noise reduction they're studying 12 00:00:39,750 --> 00:00:37,120 methods to make engines perform more 13 00:00:41,990 --> 00:00:39,760 quietly in high lift devices which would 14 00:00:45,030 --> 00:00:42,000 allow an airplane to take off more 15 00:00:47,670 --> 00:00:45,040 quickly from an airport in sonic boom 16 00:00:49,910 --> 00:00:47,680 studies researchers are looking at ways 17 00:00:53,110 --> 00:00:49,920 to reduce the sonic boom produced by 18 00:00:56,150 --> 00:00:53,120 aircraft that will fly supersonically 19 00:00:58,950 --> 00:00:56,160 by the turn of the century both nasa and 20 00:01:01,189 --> 00:00:58,960 industry hope to have a high-speed civil 21 00:01:03,750 --> 00:01:01,199 transport that will not only fly 22 00:01:04,869 --> 00:01:03,760 passengers across the pacific in half 23 00:01:06,390 --> 00:01:04,879 the time 24 00:01:08,550 --> 00:01:06,400 but one that will also be