Islands!
Actually, it’s Newton’s Rings again, a rainbow effect caused when white light
shines on really thin films of transparent stuff. In this case, I don’t know
what the transparent stuff is. The material beneath is semiconductor laser
material. I was trying to clean it with alcohol,
![(Untitled)](/content/images/size/w795/c21e8c09ecb0255b6dc4e617aca6ed76/tumblr_motoet6JL21spzrmao1_1280.jpg)