When the ink hits the page

The physics of the most printable inkjet printer ink

Hitting “print” is easy. Getting a perfect printout is not. All too often, inkjet printers spew out smudged or smeared pages. Now, a new study of the physics of ink concludes that the culprit is the gloopiest ink.

THE GLOP FACTOR INK PHYSICS: The best ink forms one well-defined droplet before hitting the paper.