A study of more than two million images downloaded from eBay auctions appears to show little evidence that terrorists -- or indeed anybody else -- is using the images to hide encoded messages. The ...
One of the spy technologies that's come to light in the recently-exposed alleged Russian spy ring is steganography, a word that comes from the Greek for “covered writing.” It’s a way to hide ...
Inspired by naturally occurring air bubbles in glaciers, researchers have developed a method to encode messages in ice. Publishing June 18 in the Cell Press journal Cell Reports Physical Science, the ...