AccuStamp stamps provide users with clear images and ease of use. Due to the brand's unique positioning lines, ... Too much ink will blur your stamp, making it difficult to read.

Resin printers can create stamps too, just ensure a flexible material is used. What makes a good 3D-printed stamp? It should be easy to use, transfer an image cleanly, and retain ink reasonably well.

To mark the historic total solar eclipse that will be visible Aug. 21 over a large portion of the continental U.S., the U.S. Postal Service will issue a first-of-its-kind stamp using thermochromic ...

The “anti-groping” stamps, manufactured by stamp-maker Shachihata Inc., allow victims of harassment to mark their assailants with invisible ink, and also provide a deterrent to would-be attackers.

Researchers say we don’t put on enough sunscreen. A Seattle startup has come up with a potential fix: an invisible ink stamp that notifies you when it’s time to re-apply. Michael Croix, a ...

The "anti-groping" stamps, manufactured by stamp-maker Shachihata Inc., allow victims of harassment to mark their assailants with invisible ink, and also provide a deterrent to would-be attackers.