This is Not a Rainbow

The video explores the colors of the rainbow, focusing on the historical and scientific perspectives. It discusses Isaac Newton's original color labeling, the absence of purple in rainbows due to the separation of red and blue light, and how optical illusions and supernumerary rings can create the appearance of purple in rainbows.

What colors did Isaac Newton originally label in the rainbow?

Why did Newton include indigo in his list of rainbow colors?

What is the reason purple and pink do not occur in a rainbow from a prism?

How can a rainbow sometimes appear to have purple in it?

What are supernumerary rings and how do they relate to the colors seen in a rainbow?