Laboratory Treasure Hunt

We are updating our website at work, so this afternoon I went on a hunt for abstract stuff that we can use for backgrounds and textures, etc. - design type raw material.  All our chemists and PhD's look at me as though I'm crazy, bending over and trying to focus on seemingly irrelevant things, but hey, one man's trash is another's treasure and all that.  Here are a couple of images that I came up with.