Computer

The words “YES OR NO” are converted to ASCII. The ASCII message is encoded in binary: three rows are formed on a board of FR4 epoxy, using grains of silicon for zeros and copper pellets for ones.

A long copper wire is soldered to the copper pellets in the middle “OR” row. Then the board is sealed with Electro-spray, fixing the pellets in place, and the board is mounted to the wall.

The hanging end of the wire is attached to a relay race baton.

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