A prism can be used to break light up into its constituent spectral colors (the colors of the rainbow). Prisms can also be used to reflect light, or to split light into components with different polarizations. Or they can be used for something completely different …
I just love the Fabulous Furry Freak Brothers comix. I believe this picture is from the mid 80s. Nothing has changed much I guess, people just don’t remember. And don’t forget boys and girls that…
And here is the last thought on the subject …
Wave that flag, wave it wide and high.
Summertime done, come and gone, my, oh, my.
