Alan Alda’s Challenge to Scientists: Define Color
At age 11, actor Alan Alda asked his teacher, “What’s a flame?” His teacher replied, “Oxidation”—an answer that didn’t suit Alda. So in 2012, Alda launched his Flame Challenge, asking scientists to explain the concept of a flame, with children as the judges. Now he’s back with his third challenge: What is color?
Alan Alda is an actor and writer. He’s also the host of the Clear + Vivid podcast, and founder of the Alda Center for Communicating Science at Stony Brook University in New York.