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Has anyone ever attempted this?. I am assuming it is fairly expensive but am wondering if it would be viable to do for night reading. maybe 14pt or so in short passages.
Another thing im thinking of is that I will have a similar issue to ink bleed or backlight signage. Guessing I can consider typefaces of this vein.
Let me know your thoughts.
My employer uses luminescent graphics for emergency exit signs in train cars and buses.
From my observations I think that, while possible, and not all that expensive, the effect is a very soft glow that tends to blur the edges of letters so that any extended reading becomes be difficult.
It might make more sense to simply lay down an area of phosphorescent ink, then print black letters on top of this area; alternately, print on black paper and reverse out the type, which should definitely be as simple as sans as possible...
The problem is that since radiation dangers have been recognized, except for using tritium in sealed vials, the phosphorescent substances used on clock faces now only glow for a short period of time after exposure to light recharges them.
The old-style radioactive phosphorescent substances were used in writing messages to secret agents during World War II, I vaguely recall reading somewhere.
thanks for the help everybody
sorry i should have clarified that this is for a short run of children's books meant to be read without a nightlight
been looking at sans faces that would bridge the gap between being readable for a child and also suitable as glow in the dark type.
I was looking at this http://new.myfonts.com/fonts/aviation/fiendstar/
any other hints as to what might be a suitable face? I may modify one with the right EULA
The problem might be that the glow-in-the-dark ink will need to be exposed to light in order to glow. Might not work well in a book: how could all the pages be exposed to light at once? Will it glow long enough to make it through the whole book, reading in the dark?
FWIW, my son had a "creatures that glow" book. The book was meant to be read in regular light, but it came with a poster of illustrations printed with glow-in-the-dark ink.
Wonder if there is some way to have a clear front and back cover, and some type of tracing paper with glow in the dark ink for print? The ink can be activated by light with the transparent paper. The only issue will be blocking out the other pages text. Just thinking out loud...