On this episode of Cheddar Innovates: Jeanette Epps will become the first Black female astronaut on the International Space Station in 2021; Mighty Buildings co-founder breaks down how they are combining 3D printing and prefabrication into one process; Playground founder, Linda Yang, and civil rights activist and founder of Vote 2000, Nupol Kiazolu discuss how technology is being used to help activists, and how 'Playground' helps people discover new virtual events surrounding culture and education; A look at CuriosityStream's 'MIA: Hunt For a WWII Plane.'