Ningshi Yao and Daigo Shishika came on the show to talk about blimps, lighter than air robots, including the biologically-inspired blimp known as "Flappy" which their students use for what is essentially a robotic version of quidditch. To see Flappy in action, check out their YouTube channel: https://www.youtube.com/@blimpsquad6747. And to learn more about swarming, check out https://blimp-robotics.org/curriculum/a-day-in-the-life/collective-behaviors-computer-simulation/.