Plummeting Through the Layers of the Atmosphere | STEM in 30

Alan Eustace broke the skydive world record for highest-altitude free-fall jump by riding a high altitude balloon 25 miles into the stratosphere. He then plummeted through the increasingly dense atmosphere. Does the atmosphere change with altitude? Did he have to understand the layers of the atmosphere to complete his jump? What challenges did they have to overcome? Learn all this and more on this episode of STEM in 30.