2022-09-03
[public] 167K views, 9.9K likes, dislikes audio only
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I show you what how you can use methylene blue to write in water. I also found this great video showing the erasing of the methylene blue using red light that works much better than mine did in the video from the channel Tommy Technetium: https://www.youtube.com/watch?v=9SU0g8g6oCw
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