HW: Read and NC through page 147.

Also: To test some of the things we discussed in class today...

1. Go outside at dusk and see if the greenish-yellow leaves on the trees seem to stand out as being more bright than their red counterparts. (Why does this happen?)
2. Go outside at dark and see if it's easier to see a single, dim star if you look with your peripheral vision rather than looking straight on. (Why does this happen?)
3. Test your blind spot here. (I know, it's Wikipedia, but the diagram they have is a good one.) There is an example of this in your book as well, but that one didn't work as well form me. Try both and compare, perhaps. (Why does this happen?)