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Topic: Paper & Ink .  (Read 2442 times)

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Offline watman

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Paper & Ink .
« on: November 08, 2014, 06:00:29 AM »
Hi!

Is it possible with help of chemistry to do following?

Write some text on paper without being visible, then later after some seconds the text appears on paper.

Many thanks for *delete me*




« Last Edit: November 08, 2014, 06:17:11 AM by watman »
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Offline Borek

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Re: Paper & Ink .
« Reply #1 on: November 08, 2014, 06:12:22 AM »
It has nothing to do with teh analytical chemistrty, moving teh thread.

Have you tried to google for invisible ink? These things are definitely related.
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Offline watman

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Re: Paper & Ink .
« Reply #2 on: November 08, 2014, 06:21:21 AM »
I looked but couldn't find solution :( .. can u suggest a magic pen that could solve this?

Thanks
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