How To: Fill a printer cartridge with invisible ink

Fill a printer cartridge with invisible ink

This is an easy video tutorial about making invisible ink for inkjet printer.Cool for making your important document more safe. Use this as inspiration for one of your April Fools Day pranks!

Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.

Buy Now (97% off) >

Other worthwhile deals to check out:

Join the Next Reality AR Community

Get the latest in AR — delivered straight to your inbox.


Where do you get the pens?

Hah! The stuff people think of. Pretty neat...

good,i like it

thats cool and all but you can read it in sunlight to :P

this reminds me of "invisible tatoos" that only are seen in the dark after its been exposed 2 light. i wonder if they really work that well or if u can see them in daylight

the music rocks duude!

what band is this?

Share Your Thoughts

  • Hot
  • Latest