August 2012
Intermediate to advanced
448 pages
14h 47m
English
book
Illustrated Guide to Home Forensic Science Experiments
by Robert Bruce Thompson, Barbara Fritchman Thompson
Content preview from Illustrated Guide to Home Forensic Science ExperimentsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 27. Lab VI-3 Perforation and Tear Analysis
Equipment and Materials
You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)
Materials from Kit
Goggles
Slides, flat
Materials you Provide
Gloves
Camera with microscope adapter (optional)
Microscope
Specimens, tape dispensers (see text)
Warning
None of the activities in this lab session present any real hazard. It is still good practice to wear goggles and gloves to prevent contaminating specimens.
Background
Many products are packaged in rolls. Some rolls—paper towels, toilet paper, some plastic bags, and so on—are perforated to deliver portions of fixed length. Other rolls—waxed ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.