Check out these solar-eclipse stamps that changes when you touch them!

The U.S. Postal Service is making the North America blackout an event to celebrate forever with a new thermochromic stamp. 

The big day is Aug. 21 and the stamp will debut on June 20 at an issuing event at the University of Wyoming on the summer solstice.

Starting in June you can pre-order the stamps, or you can just wait for them to arrive at post offices starting June 20.

Now this is cool! 

Read more HERE

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