Try a Mythbusting Experiment - Collecting Fingerprints
Here’s one from the mythbusters archives.
How do you collect fingerprints?
Ever wondered how to collect fingerprints? It’s easier than you think.
Here are the items you need to become your own personal home detective!!!
1. A sheet of paper,
2. A plastic-covered book,
3. Talcum powder,
4. A lead pencil and,
5. A sharpener.
Professionals use activated carbon to identify fingerprints, but you can easily replace the activated carbon with the lead powder that remains after a pencil has been sharpened or by using plain talcum powder.
Follow these steps below to begin collecting your fingerprints.
- Make a fingerprint by pressing a slightly moisturized finger on a piece of paper or plastic-covered book.
- Next, collect the particles of lead from a sharpened pencil.
- If you’re using a piece of paper with a white or transparent surface, sprinkle some of the sharpened pencil’s lead powder over the surface. If the surface is dark, sprinkle talcum powder over it.
- Carefully lift the paper or plastic-covered book and gently shake off the excess lead or powder to display the fingerprint.
Happy Mythbusting!!!
Image: Ann Summa/Getty Images
Tags: collect fingerprints, Discovery Channel, fingerprints, MythBustersRelated Stories
POSTED IN: How stuff works, Learn More About..., MythBusters
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