Glass pens and glowing ink make for mesmerizing drawing videos


#1

Originally published at: https://boingboing.net/2018/01/16/glass-pens-and-glowing-ink-mak.html


#2

is that glowing ink or is it fluorescent?


#3

It glows under black light, so yes.


#4

Neat. I never got the hang of working with glass pens, nice to see that you actually can use them.


#5

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