WEBVTT Kind: captions Language: en 00:00:08.389 --> 00:00:13.349 Imagine you work for the MMS mission. Your goal is to measure how the sun's 00:00:13.349 --> 00:00:18.210 and Earth's magnetic fields connect and disconnect. Explosively transferring 00:00:18.210 --> 00:00:23.699 energy from one to the other. We call this magnetic reconnection. We 00:00:23.699 --> 00:00:28.230 want to get a 3d observation of magnetic reconnection. To do this you'll need 00:00:28.230 --> 00:00:32.640 measurements at four different points, a single base point and one additional 00:00:32.640 --> 00:00:36.960 point for each dimension. This means you have to build not one but four 00:00:36.960 --> 00:00:43.440 spacecraft. And you'll need to pack each one with 25 instruments. You'll need to 00:00:43.440 --> 00:00:47.010 arrange them so that they are not blocking each other and so that the 00:00:47.010 --> 00:00:53.250 magnetometers are held safely away from the spacecraft's body. But wait you only 00:00:53.250 --> 00:00:59.160 have four years to build test and launch all of them. It typically takes four 00:00:59.160 --> 00:01:03.570 years to build just one. So you won't be able to build them one at a time. You'll 00:01:03.570 --> 00:01:09.960 have to work on them concurrently. You'll need a team to help you do that. They 00:01:09.960 --> 00:01:13.710 will need space to work so you'll have to build a cleanroom. And you'll have to 00:01:13.710 --> 00:01:17.310 keep all of your people paper and tools organized, because you'll have to wrap 00:01:17.310 --> 00:01:21.600 four sets of wires, and prepare four sets of flight hardware, and do four sets of 00:01:21.600 --> 00:01:24.540 tests, and make sure that everyone is working on the right project at the 00:01:24.540 --> 00:01:31.100 right time. And now it's time to get to work. 00:01:31.100 --> 00:01:35.680 Music 00:01:35.680 --> 00:01:46.100 Beep, Beep, Beep