4 ms·
doesn't lemon juice display similar effect? I remember writing secret agent letters to my friend (who lived in a house in front of mine) so he can iron the pape
by atum47 7y ago
doesn't lemon juice display similar effect? I remember writing secret agent letters to my friend (who lived in a house in front of mine) so he can iron the paper and read the content.
- gk1 7y agoYes, lemon juice has the same effect. Ironing is an interesting way to do it. I used to just hold a candle up to it, trying not to burn the whole thing up.