reaction

A short clip from a Richard Feynman interview in which he explains fire, describing how burning wood releases sunlight stored by the tree, which built itself mostly from air. It showcases his curiosity and plain-spoken explanations.

A two-minute clip of Elon Musk becoming emotional in an interview, reportedly about harsh criticism of SpaceX from astronauts.

A 1967 CBC clip in which Hunter S. Thompson faces a member of the Hell's Angels on television. The studio audience's reactions are a striking window into the era.