What Is Light? How Do You Know?

This podcast anonymously presents two simple questions I put to various folks, "what is light and how do you know?" The main content is all unedited except for the last response which I include the outtakes of on this/the blog post. There are also audio snippets I didn't record but grabbed from public sources. One other response I got (from a youngster) was something along the lines of, "light helps me see. [I know because] my eyes don’t fail me."