Blinkenlights

In 2001/2, the famous "Haus des Lehrers" (house of the teacher) office building at Berlin Alexanderplatz has been enhanced to become world's biggest interactive computer display. The upper eight floors of the building were transformed in to a huge display by arranging 144 lamps behind the building's front windows. A computer controlled each of the lamps independently to produce a monochrome matrix of 18 times 8 pixels.
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