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    University of Southern Mississippi
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    In this activity, learners use Teflon (PTFE) tape to write secret messages. Learners may be familiar with Teflon-coated pans, but they probably do not know that Teflon is also made into tape that...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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    • University of Southern Mississippi (remove)