Well, there’s no question about the content of this site. Yet, the enigma remains: what are electron microscopes, indeed? Rest assured that your inquiries about this popular tool of biological research will be addressed on this site. With a simple page design, this site contains more information than it appears at first glance. What’s the difference between scanning and transmission electron microscopes? Where do the electrons come from? Why do we need these things in the first place? All of these answers can be yours, at absolutely no charge. (Not including shipping and handling—act now!) Sadly, however, there is one question to which the site offers no insight: What do electron microscope images look like? So, all you electron enthusiasts out there are going to have to meander to other websites if you want to see the EM magic for yourself.