Tag: reality
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Light graffiti, senses and the inexistence of "real".
After bright lights fade in the dark, our eyes can still see them as streaks, smears, and dots. Engineer Phillip Burgess drew inspiration from this “bug” of human vision to build the NeoPixel Painter: a meter-long strip of multicolor LEDs controlled by a palm-size computer. When swept across a camera’s view during a long exposure,…
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The power of words...
Hearing the name of an object appears to influence whether or not we see it, suggesting that hearing and vision might be even more intertwined than previously thought. [1] See the image above. Do you see anything? What about if I told you to look out for the dogs? Magicians always said words have a…
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I hear you... I hear you... YES, I see you!
"I told my daughter her living room TV was out of sync. Then I noticed the kitchen telly was also dubbed badly. Suddenly I noticed that her voice was out of sync too. It wasn't the TV, it was me." PH is the first confirmed case of someone who hears people speak before registering the…
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Rubber hand, "reality", perception…
First demonstrated over 14 years ago, the rubber hand illusion has proven a valuable tool for investigating how the brain combines information from different senses – including proprioception, the body's sense of its own position – to create our sense of bodily ownership. Fifteen volunteers took part in an experiment in which one of their…
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Cockroaches, senses, "reality"
Cockroaches that don’t fall for traps’ sweet poisons have evolved taste cells that register sugar as bitter. [1] People use to trust their senses. But how can you trust something that changes at "will"?
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