Photographer Roman Vishniac is perhaps best-known for documenting Jewish communities in Eastern Europe before World War II, but he also was a science buff. In the 1950s-1970s, with funding from the Educational Testing Service, the National Science Foundation and others, he made educational science films, featuring footage he shot through his microscope. Vishniac was a pioneer of cinemicroscopy (as he called it). The craft has changed with digital photography, says Dutch photographer Wim van Egmond, who has won numerous awards for his photomicrographs. van Egmond explains some of the techniques he uses to capture the micro-world in action.

SciArts Slideshow: More Micro Images