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The Square Root of Negative Three's poster image

The Square Root of Negative Three

An ad for the famous Ka-bala Ouija board by Transogram (1966), the first game to glow in the dark, opens a powerful barrage of optical effects in which Lysol disinfectant, the silence of stones and the hope of angry children intermingle with scientific ravings.

Director: François Miron

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The Square Root of Negative Three's poster