polarised light part 1
 
 

polarised light part 2
 
 
 
 
 
 
 
 

Here's a new rabbit trail you might want to go down: dichroic. One can look into the science of this, or just appreciate the appearance, or ponder projects.
 
 

dichroic / dichroic glass

Google image search
 
 
 
 
 
 
 
 


 

Hue, saturation and brightness

(Brown is dark orange. Context also affects perception.)
 
 
 
 
 
 
 
 


 
 
 
 
 
 
 
 

Why Is A Rainbow Curved? | Newton's Apple
 

A digestable, five-minute explanation of rainbows, different questions.
 
 
 
 
 
 
 
 

library