WEBVTT FILE 1 00:00:00.000 --> 00:00:02.961 [pulsing music] 2 00:00:04.921 --> 00:00:06.924 The most important instrument you've never heard of 3 00:00:10.135 --> 00:00:13.138 flies 512 miles over your head 4 00:00:16.307 --> 00:00:20.770 and uses microwave energy to see through clouds 5 00:00:20.770 --> 00:00:23.773 impacting our lives every day. 6 00:00:26.533 --> 00:00:32.433 Advanced Technology Microwave Sounder