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Here's a nice video of the VeinViewer in action. Designed to allow doctors to see under the skin for injections et al, it's quite a trip to see the sweet blood of the innocents pulsing only microns below the surface of their supple skin. If you're so vein—hah! Willie!—that you need to see what's going on under your forearm, this is the gear for you.

We could also do that one song... you're so vein. And Train in Vein? This could go on forever. I hate me.

Video of VeinViewer [MedGadget]