A new postage stamp will allow you to change the image on the stamp with the heat from your finger. The U.S. Postal Service is issuing a first-of-its kind stamp that changes from an image of the Moon to a solar eclipse.
Image courtesy of the US Postal Service
The stamp will commemorate the rare solar eclipse coming up on August 21st. It will be the first solar eclipse seen on the U.S. mainland since 1979, crossing 14 states from Oregon to South Carolina. The stamp will come out on June 20th.