wired.com
View the Eclipse With This Simple Homemade Gadget
Sure, you can buy solar glasses. Or you can save your money an make a pinhole. It's a lot more fun.

Here’s a cool thing you can make to learn about optics AND view the eclipse! Even if you aren’t in the path of totality, a lot of the contiguous US will see a partial eclipse. So take this chance to see some astronomy in action!

freezing cold marjorie at tempelhof, homemade pinhole camera [polaroid 667], photography by aurélien boyer.