Hiding 19th century tech in 21st century tech! Hiding 19th century tech in 21st century tech! EDN – Morse Code on Mars Note: Dots and dashes on the Curiosity rover’s treads spell out JPL in Morse code. Related Posts:Mars Rover mock-up at LBCCWatching Mars Curiosity landing with J.A cool high-res photo of the "happy face" crater on MarsEven Kara Danvers can't get Starbucks to spell her name right