Invisible ink isn't something you just see in James Bond movies or in the X-Files. In fact even prisoners used to sneak messages out with invisible ink. Read on to find out how it works. Back to Article
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can we make that as refill in ur fountain pens?
awsome guys nice task..
i've done it the milky way but ima do it the baking soda way and but it in a container and keep it every where
ive heard abou it in a book
I did this for the science fair
Where can u get invisible ink pens from like Harriet The Spy????
gonna use 2 pass notz in class
I did it and it didnt work....how long do I have to keep it on the lightbulb? What happened? What is the best way to make it appear?
i love to make invisible ink!!!