Researchers have developed a rewriteable paper coating that can encrypt secret information with relatively low-tech invisible ink -- water. A message printed out by a water-jet printer on a ...

IT’S 9:13. WE HAVE A NEW FUN FAMILY ACTIVITY FOR YOU IN THE SCIENCE OF IT. HERE’S FIRST WARNING METEOROLOGIST. ALEXI SHOWING US AN EXPERIMENT MIXING PAPER BAKING SODA AND FIRE. HELLO EVERYONE AND ...

(KERO) — People have seen it in spy movies, secret messages written through invisible ink. As it turns out, the average person may have all the ingredients needed to make their own invisible ink right ...

Need some gifts for your kids, grandkids, nieces and nephews? More specifically, gifts they won't toss aside as soon as they open them? We've got the goods: Maleden Invisible Ink Pens. These ...

Australian researchers say they’ve invented a cheap, inklike product that could be used to make wearable sun sensors to tell people when they’ve had too much. The ink darkens steadily when exposed to ...

Beth Harris, Raleigh mom and science educator, returns today with a really fun and easy experiment for kids to try - invisible ink! All you need is a piece of paper, milk with some amount of fat in it ...

Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is ...

Geek Life: Fun stories, memes, humor and other random items at the intersection of tech, science, business and culture. SEE MORE by Alan Boyle on Jan 7, 2016 at 6:50 pm January 7, 2016 at 6:50 pm ...

A Japanese student received top marks after handing in a blank piece of paper for an assignment when her professor realized the essay had been written in invisible ink. Eimi Haga, a first year student ...

A ninja history student in Japan sent her education into stealth mode when she turned in a seemingly blank paper for her term essay. Eimi Haga wrote the essay with invisible ink. Haga told the BBC ...

Invisible inks based on “smart” fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately ...

I think everyone is aware of the trick with invisible ink. Write your message in lemon juice on paper, and when the juice dries it cannot be seen. But if you heat the paper, the lemon juice reacts ...