"Micro"

http://www.microscopyu.com/galleries/

http://www.mse.iastate.edu/microscopy/tutorials.html

http://www.mnh.si.edu/highlight/sem/gallery.html

http://www.rbge.org.uk/science/scientific-and-technical-services/microscopy/sem-colour-gallery

http://www.environmentalgraffiti.com/featured/images-inside-human-body-images/8292

http://paperproject.org/semgallery.html

http://public.gettysburg.edu/~rcavalie/em/sem_pics.html

http://www.microscope-microscope.org/gallery/Mark-Simmons/index.htm

http://www.ou.edu/research/electron/www-vl/image.shtml

http://en.wikipedia.org/wiki/Scanning_electron_microscope