Sneaky UV Ink Password Protector
By Cy Tymony ■ Illustrations by Damien Scogin
You will need
Invisible ink (UV) marking pen
UV LED
Paper
Option 1:
Wide barrel pen
Coin cell battery
Tape
Option 2:
LED pocket light
Screwdriver
Option 3:
Spare remote control
With so many computer passwords to remember these days, it’s necessary to safely store them somewhere—but not in a computer file. So where?
Write them with an ultraviolet (UV) invisible ink pen so the information can’t be seen by the naked eye. Only shining a special UV light on the passwords will reveal them. Use paper with written material already on it, so people think the visible ...
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