The SEM was cheaper than an optical microscope or a fume hood though :). (also I don't recommend a SEM in the first post, a cheapo USB 'microscope' will do, I

The SEM was cheaper than an optical microscope or a fume hood though :). (also I don't recommend a SEM in the first post, a cheapo USB 'microscope' will do, I just happen to have had SEM images on hand)