Photomicrographs exhibit

You know what we have a lot of? Photomicrographs. 19th century photomicrographs. We even have microdaguerreotypes.

Here's an older Wired story about an exhibit of other people's photomicrographs that I stumbled across - "Rare Microphotographs Resurface After 150 Years," By Alexis Madrigal, November 19, 2008.