Here's a troubleshooting idea for ink that we came up with not too long ago. It is especially useful during summer months or in any hot or humid climate. You can find other ink troubleshooting advice ...

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 ...

The guys at Macro Room have created what's probably the most beautiful version of the ink-in-water schtick ever committed to video. Using super hi-def cameras with macro lenses, expert lighting, and a ...

Permanent markers aren’t so permanent after all. All that’s required to peel the ink from glass is the surface tension of water and a little patience, scientists report. When glass marked with ...