Gregory's Server@krl @attoparsec No, these were split-flap displays. Plastic flaps with half of a letter printed on each side that were mounted in a quite sophisticated mechanism:
https://en.wikipedia.org/wiki/Split-flap_display
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 @Habrok42 @krl @attoparsec either that, or they used what was referred to as "glow cube" technology, where a cube with two painted sides (black and neon yellow) was flipped over with an electric motor. |
@Habrok42 @attoparsec thanks! I've confused those.