Is there a new color? Scientists reveal the surprising "smell"

According to an article published by National Geographic, A team of scientists from the University of Berkeley, California (United States), claims to have made a surprising discovery: a new color, never before seen by the human eye, which they have named “olo.”

It is a fascinating find in history, However, it comes with one exception: Color cannot be observed with the naked eye or through everyday visual experience. So far, only five people have been able to see it, thanks to an experimental method that requires laser stimulation of the retina.

A new color discovered by science: the enigmatic “olo”

The color “olo” has been described by scientists as an unprecedented saturated blue-green hue. However, it cannot be observed in natural light or under normal conditions, as its appearance depends on the use of a sophisticated laser stimulation procedure.

To make it possible, a team of five scientists from the University of Berkeley used laser technology to selectively activate cells in their own retinas, allowing them to expand their vision beyond the natural limits of the human eye. That is, they were exposed to a carefully controlled form of "optical electroshock" to generate this new color perception.

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The most interesting thing about this research is that scientists They did not modify the light spectrum itself, but rather altered the spatial distribution of light on the retina. This phenomenon is known as spatial metamerism, and represents a new approach to the study of visual perception.

In technical terms, the researchers specifically stimulated the M cones of the retina, that respond to medium wavelengths and are not usually activated in isolation by any natural light source.

“The color olo lies outside the known chromatic range. Scientists discovered that they had to add white light to desaturate the color and thus make it match the nearest monochromatic light. This proves unequivocally that the olo is beyond the traditional visual range” , explain the authors of the study.

This discovery opens a new door to the study of the limits of human visual perception, and scientists hope that with technological advances, more people will be able to see it in the future.

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