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What's It Made Of? Series

Have you ever wondered what an object is made of and wanted to find out? Well the "What's It Made Of?" series does just that. Eric Miller, Microscopy & Imaging Specialist takes a look at normal everyday objects by placing them in a scanning electron microscope (SEM) with an attached energy disbursed microscopy system.

Get to see what those shiny markings are on a $20 dollar bill and what they are really made of. Click here to see that video.

And while you're at it, click here to find out what a hard drive disk is made of.

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