We’ve covered Ben Krasnow’s awesome work here before. At last year’s Maker Faire, he showed off his liquid nitrogen generator (for which he won at least one Editor’s Blue Ribbon). Now he’s posted to his blog this latest project, a working DIY scanning electron microscope! It’s been months of work to get the scope together and to get a picture out of it, but he’s done it. Now he’s going to work on improving image resolution, and reducing noise. Congrats on this, Ben. Really impressive job. [Thanks, Robert Bruce Thompson!]

DIY scanning electron microscope

DIY liquid nitrogen generator