Category Archives: Art and vision

The Colour of Nothing

Recently Belgian Artist Frederik De Wilde exhibited a square blacker than any human being has ever seen before. Blackboards look black but actually reflect as much as 10% of the light falling on them. De Wilde’s black square reflects 0.01% … Continue reading

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Herr Troxler and the Butterfly: Experiment 12/101

Background Did a butterfly ever settle on your hand? What did you feel? Equipment The picture below. Experiment You see a central cross set against a blurry background pattern of pastel colours. Focus on the cross. Do not let your … Continue reading

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10/101 The Scrying Glass: Who Will You Marry?

Equipment Needed for this Exploration A Mirror A Dimly-lit room Some patience and courage The Background There is a long history of people ‘scrying’ – gazing into reflective surfaces like crystal balls, mirrors, pools of water and so on and … Continue reading

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9/101 The Sandman: Hypnagogic Hallucinations

Equipment You, some darkness, and a bed. Background The Sandman, as you know, is a mythical being who come to you at bedtime and throws a little light dust in your eyes, to make your eyelids heavy and full of … Continue reading

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A Patron Saint Against Stroke

Looking into the cultural history of stroke I’ve found that, although millions of people have suffered from it, the appearance in literature is not very common, although such attacks – called apoplexy – were recognized starting from classical times. It’s … Continue reading

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5. Wake Up and Smell the Colour of 5

Equipment Your sensations. Background Synesthesia is when perception from different senses is not fully separated. For example if I look at a painting by Soutine I experience a sort of (not unpleasant) smell/taste sensation as well as seeing the shapes … Continue reading

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2. *Do* Think of an Elephant

Equipment Your imagination. A stopwatch (or phone app or you can just count seconds: one hundred, one hundred-and-one, one hundred-and-two, one hundred-and-three… or get someone else to do it for you). Background There is no background, you must imagine it. Preparation … Continue reading

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