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Almost Certain To Be a Plot Device in the Next Dan Brown Novel

How to make an invisible ink printer cartridge. And of course this sort of technology hacking reaches us about twenty-five years too late. Take about thirty seconds and think about this with the brain you had when you were ten. How many applications did you come up with? I had four, but I went into details. You?

Direct link for the feedreaders.

Found via Lifehacker.


1 comment

  • Yeah, until someone prints family photos over your secret message. Actually, that sounds pretty cool.