Forensic Science

Forensics is the examination, through physical evidence, of a criminal event or incident. Learn about the various types of forensic disciplines and how they are used to bring the guilty to justice.

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How does a lie detector (polygraph) work?

You may know a bit about polygraphs, but do you know which physical reactions it actually monitors? Get the scoop in this article.

Can you explain the diameter measurements used in bullets, wire and nails?

Bullets, wires and nails are all measured with unusual measurement systems and units -- and they all show just how interesting measurement systems can be!


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