SHREVEPORT, La. — When we were kids, “invisible ink” meant lemon juice on notebook paper — write the message, and to see it someone would have to hold it up to the light for the words to appear.

For a long time, seeing those words pop up onscreen was the best indicator of good gossip to come. Close seconds included “OK, so…” for the more demure among us, or a simple teacup emoji for the ...

A Hillhouse student’s eyes widened as he applied grape juice and heat to what appeared to be a blank piece of paper — but instead held a secret message in invisible ink, written as part of a course ...

When we were kids, “invisible ink” meant lemon juice on notebook paper, write the message, and to see it someone would have to hold it up to the light for the words to appear. Otherwise, it just ...

AUGUSTA, Ga. (WRDW/WAGT) - When we were kids, “invisible ink” meant lemon juice on notebook paper, write the message, and to see it someone would have to hold it up to the light for the words to ...

ALBUQUERQUE, N.M. (WHAT THE TECH?) — Like cyber criminals with AI, parents might be interested to know that people have been using invisible commands for years on apps we all use. When some of us were ...