Hidden Figures tells the story of three African-American women who worked as mathematicians at NASA in the 1960s. Screenwriter Allison Schroeder tells us about writing the film and her family history with NASA.
They said it couldn't be done: Internet in space. The dream of a totally connected world is still out of reach. Companies like OneWeb and SpaceX think a global swarm of satellites is the answer. The idea failed before — does it stand a chance today?