https://baszerr.eu/ Thu, 30 Apr 2026 02:31:51 +0000 FeedCreator 1.8 https://baszerr.eu/lib/exe/fetch.php?media=wiki:dokuwiki.svg https://baszerr.eu/ https://baszerr.eu/doku.php?id=blog:2024:06:23:2024-06-23_-_toy_stenography <h1 class="sectionedit1" id="toy_stenography">2024-06-23 - toy stenography</h1> <div class="level1"> <p> as a father of 2 curious minds i nowadays spend a significant fraction of my awake-time showing them interesting science, technology and let them play with it. today i came across <a href="https://www.instructables.com/Invisible-Ink-Using-Turmeric/" class="urlextern" title="https://www.instructables.com/Invisible-Ink-Using-Turmeric/" rel="ugc nofollow">instructables on making toy-stenography in the kitchen</a>, but not the usual lemon+fire. this time the invisible ink was baking soda mixed with water and to develop it we used <a href="https://en.wikipedia.org/wiki/turmeric" class="interwiki iw_wp" title="https://en.wikipedia.org/wiki/turmeric">turmeric</a> mixed with <a href="https://en.wikipedia.org/wiki/Isopropyl alcohol" class="interwiki iw_wp" title="https://en.wikipedia.org/wiki/Isopropyl alcohol">IPA</a>. to both paint and develop we used cotton swabs. </p> <p> <a href="https://baszerr.eu/lib/exe/detail.php?id=blog%3A2024%3A06%3A23%3A2024-06-23_-_toy_stenography&amp;media=blog:2024:06:23:toy_steno.jpg" class="media" title="blog:2024:06:23:toy_steno.jpg"><img src="https://baszerr.eu/lib/exe/fetch.php?w=400&amp;tok=aa8d6b&amp;media=blog:2024:06:23:toy_steno.jpg" class="media" loading="lazy" title="toy stenography" alt="toy stenography" width="400" /></a> </p> <p> i was really surprised with both how well it hid on the paper and how clearly it developed afterwards. give it a shot – lots of fun and some quality time with kids at the same time! :) </p> </div> anonymous@undisclosed.example.com (Anonymous) Sun, 23 Jun 2024 17:54:49 +0000