COLORADO SPRINGS, Colo. – A Colorado company is behind a clever color-changing postage stamp that commemorates next week’s total solar eclipse. Chromatic Technologies Inc. in Colorado Springs created ...

The United States Postal Service has been in existence since 1792, but that doesn’t mean this centuries-old agency isn’t trying to keep up with the times–at least when it comes to stamp design. In ...

When the sky goes dark on August 21, much of the continental United States will pause to celebrate. And with good reason: The total solar eclipse that will cross from coast to coast will be the first ...

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 longtime ...

Ink stamps can be fun to make and use, and 3D printers are uniquely positioned to create quality stamps of all kinds with just a little care. As with most things, the devil is in the details and the ...