What kid hasn’t fantasized about sending secret coded messages in invisible ink? Now a team of researchers from Tufts University has developed just such an encryption method using genetically ...

A team of researchers from the Harbin Institute of Technology in China have developed a system by which invisible ink and a basic cipher can be combined with relatively simple AI to create an ...

The secret history of invisible ink. American Expeditionary Forces secret ink lab By signing up, you confirm that you are over the age of 16 and agree to receive occasional promotional offers for ...

Readers of a certain age will remember those 'invisible ink' spy toys that let you write a 'secret' message which would only appear after rubbing the page with half of a lemon. Yeah, this is not that.

Humans have had a long history with sending secret messages. The practice dates back to ancient Greeks tattooing a servant's head to a modern-day employee stealing corporate secrets. Invisible ink is ...