Photos 1/5 Low-temperature, ultra-high-vacuum, combined atomic force microscope / scanning tunneling microscope at UCLA. Photo courtesy of UCLA 2/5 Atomic force microscope. Photo courtesy of nano.gov 3/5 Inventors of the scanning tunneling microscope, Gerd Binnig and Heinrich Rohrer, who won a Nobel Prize for their technology. Photo courtesy of nano.gov 4/5 A transmission electron microscope from the 1970s. Photo courtesy of Deutsche Fotothekā 5/5 The first scanning electron microscope. Photo courtesy of www.ardenne.de/med