Alan Alda’s Flame Challenge

When Alan Alda was 11 years old, he asked his teacher: what is a flame? His teacher answered: It’s oxidation. 🙂 As you can imagine this answer puzzled Alan for decades. In 2012, he realized that he was still curious about the answer so he asked the question again to scientists. This time, thanks to his fame as a celebrity, he got many responses from the scientific community. The whole activity got evolved into the annual Flame Challenge and Alan Alda Center for Communicating Science.

Here is the winner of 2014:What is color


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