-Here's an entertaining answer to the question, "Why is the sky blue?" by Neil deGrasse Tyson and Chuck Nice.
Even though the answer is directed towards a lay audience, it talks about EM wavelengths and Rayleigh scattering.
https://youtube.com/watch?v=UvmWxm3nR6E
(I apologize for the youtube link, but I couldn't find this video anywhere else.)
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
(I apologize for the youtube link, but I couldn't find this video anywhere else.)