What is a interpretation of “SAFETY TIP: Do not use reflected sunlight for microscope illumination”?

part 3 chapter 13 of catalyst by laurie halse anderson

Asked by destinie on 18 Jan 14:22

Last updated by Jill W on 19 Jan 11:00

Answered by Jill W on 19 Jan 11:00

I found the text in question, but I did not find a description of what this would be used for (barring the effects of water) in Chapter 13.0.