Binary Code on the Pioneer 10 Spacecraft

The Pioneer 10 (also known as Pioneer F) spacecraft, launched in 1972 and now on a very long journey towards Taurus, has a plaque mounted on it which is designed to inform alien civilizations about the spacecraft’s origin. The plaque contains a diagram of our solar system, the trajectory of the spacecraft, a drawing of a man and woman, and groups of vertical and horizontal strokes — you guessed it, binary code — that gives information about how to find us:

Pioneer F Plaque Symbology thumbnail
Pioneer 10 Plaque (click image for higher resolution).

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Ki-Adi-Mundi Has a Binary Brain Too

I’m not the only one with a binary brain.

The other day my son showed me a page in a Star Wars® book which described a character named Ki-Adi-Mundi, who up until that point we knew as “big brain head.” I read in his bio that he has a binary brain, at which point I exclaimed, “Hey, just like me!” Well, not quite — his is binary in a different sense:

From starwars.com:

“Ki’s most distinguishing physical feature was an enlarged conical cranium that contained a binary brain.”

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