• Postal Service releases unique solar eclipse stamp

    4 monthes ago - By ABC

    The U.S. Postal Service is issuing a unique stamp in honor of this summer's total solar eclipse. It's the first stamp to use what's called thermochromic ink.
    Read more ...

     

  • Transformer stamp released by US Postal Service

    Transformer stamp released by US Postal Service

    4 monthes ago - By The Seattle Times

    LARAMIE, Wyo. - The U.S. Postal Service has officially unveiled a first-of-its kind stamp that transforms with the touch of a finger and is dedicated to this summer's total solar eclipse. The 49 cent stamp uses temperature-sensitive ink. When a person touches it, the body heat transforms the image of the blacked-out sun into [...]
    Read more ...