As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast.
Jun 1
Where Did the At Symbol Come From?
The @ sign goes by many names today, but it's only so commonplace because of medieval merchants and one 1970s programmer. Learn more about the at sign (or arroba, Klammeraffe, strudel, grisehale, or gül) in this episode of BrainStuff, based on this article: https://people.howstuf ... Show More
9m 4s