Honestly reviewing morse code is a little unnecessary. We're kind of done with that whole telegraph as the primary form of communication phase. On the other hand, it never hurts to know numbers in different systems. Roman numerals come in handy every now and then, right? Sometimes?

Inside an unmanned craft now headed towards the International Space Station sit several smallish, cube-shaped satellites. Soon, one of them will be writing Morse code messages across the sky.

Dit-dat-dat. Dit-dit-dit-dit. Dit-dat. Dat. May 24th, 1844. Samuel Finley Breese Morse is sitting in the Supreme Court chamber in the United States Capitol in Washington, DC. Dit-dit-dit-dit. Dit-Dat. Dat. Dit-dit-dit-dit. He has a message. And here it is in full-length:

Pittsburgh, PA's 33-story Grant Building famously spells out the name of the city in Morse Code so brightly it can be seen for over 100 miles. Except it doesn't actually spell Pittsburgh, but "Pitetsbkrrh." Eep.