{"id":133510,"date":"2025-04-28T16:35:38","date_gmt":"2025-04-28T11:35:38","guid":{"rendered":"https:\/\/zamanturkmenistan.com.tm\/?p=133510"},"modified":"2025-04-28T10:36:43","modified_gmt":"2025-04-28T05:36:43","slug":"scientists-discovered-a-new-colour-called-olo","status":"publish","type":"post","link":"https:\/\/zamanturkmenistan.com.tm\/?p=133510","title":{"rendered":"Scientists discovered a new colour called \u2018olo\u2019"},"content":{"rendered":"

A team of scientists claims to have discovered a new colour that humans cannot see without the help of technology.
\nThe researchers based in the United States said they were able to \u201cexperience\u201d the colour, which they named \u201colo\u201d, by firing laser pulses into their eyes using a device named after the Wizard of Oz.
\nOlo cannot be seen with the naked eye, but the five people who have seen it describe it as being similar to teal.
\nProfessors from the University of California, Berkeley and the University of Washington School of Medicine published an article in the journal, Science Advances, on April 18 in which they put forth their discovery of a hue beyond the gamut of human vision.
\nThey explained that they had devised a technique called Oz, which can \u201ctrick\u201d the human eye into seeing olo. The technique is named after the Wizard of Oz.
\nIn the Wonderful Wizard of Oz, published in 1900, Frank Baum wrote about a man who uses tricks to fool the residents of the fictional land of Oz into thinking he\u2019s a wizard. For instance, it is believed that the Emerald City, the capital of Oz, is so bright and vibrant that visitors have to wear special glasses to protect their eyes. The glasses are one of the wizard\u2019s tricks, since they make the city appear greener and grander.
\nHow do humans perceive colour?
\nThe human eye perceives colour via three types of photoreceptor or \u201ccone cells\u201d in the retina. S cones pick up shorter, blue wavelengths of light; M cones detect medium, green wavelengths; and L cones detect longer, red wavelengths.
\n\u201cThe signals from these cones are then sent through a complex series of cells in the retina that act to clean up and integrate the signal before passing it down the optic nerve through parts of the brain,\u201d Francis Windram, a research associate at the department of life sciences at Imperial College London, told Al Jazeera.
\nThe part of the brain that the visual information is passed to is the visual cortex.
\nHow did scientists find the \u2018new\u2019 colour?
\nIn normal vision, the function of M cones overlaps with the neighbouring S and L cones, so any light that stimulates M cones also activates the other two cones. The M cones don\u2019t function alone.
\n\u201cThere\u2019s no wavelength in the world that can stimulate only the M cone,\u201d Ren Ng, a professor of electrical engineering and computer sciences at UC Berkeley, explained in an article published on its website.
\n\u201cI began wondering what it would look like if you could just stimulate all the M cone cells. Would it be like the greenest green you\u2019ve ever seen?\u201d
\nSo Ng teamed up with Austin Roorda, one of the creators of the Oz technology and a professor of optometry and vision science at UC Berkeley.
\nOz, which Roorda described as \u201ca microscope for looking at the retina\u201d, uses tiny microdoses of laser light to target individual photoreceptors in the eye. The equipment, which must be highly stabilised during use, is already being used to study eye disease.
\nThe work using Oz began in 2018 by James Carl Fong, a doctoral student in electrical engineering and computer sciences at UC Berkeley. Hannah Doyle, another doctoral student at Berkeley, ran the experiments through which human subjects were able to see the new colour, olo.
\nIs olo really a new colour?<\/strong><\/em>
\nThe shade of olo has always existed, it just falls beyond the spectrum of shades visible to the human eye. There are other such shades that we cannot see. Hence, olo is not a new colour that has come into existence, from a physical or scientific perspective.
\nHowever, \u201cfrom a sociolinguistic perspective, if people give new names to colours which previously were indistinguishable thanks to this technology, then maybe! It all depends on how you say it,\u201d Windram said.
\nThose who have seen olo describe it as a teal or green-blue colour \u2013 but one they had never seen before.
\nIn the article by UC Berkeley, it is described as a \u201cblue-green colour of unparalleled saturation\u201d.
\n\u201cIt was like a profoundly saturated teal \u2026 the most saturated natural colour was just pale by comparison,\u201d Roorda said.
\n\u201cI wasn\u2019t a subject for this paper, but I\u2019ve seen olo since, and it\u2019s very striking. You know you\u2019re looking at something very blue-green,\u201d Doyle said.
\nThe researchers said an image of a teal square is the closest colour match to olo. However, this square is not an olo-coloured square. The naked human eye simply cannot see the shade.
\n\u201cWe\u2019re not going to see olo on any smartphone displays or any TVs any time soon. And this is very, very far beyond VR headset technology,\u201d Ng said, according to a report in the UK\u2019s Guardian newspaper.<\/p>\n","protected":false},"excerpt":{"rendered":"

A team of scientists claims to have discovered a new colour that humans cannot see without the help of technology. The researchers based in the United States said they were able to \u201cexperience\u201d the colour, which they named \u201colo\u201d, by firing laser pulses into their eyes using a device named after the Wizard of Oz. […]<\/p>\n","protected":false},"author":2,"featured_media":113427,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10918],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/posts\/133510"}],"collection":[{"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=133510"}],"version-history":[{"count":1,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/posts\/133510\/revisions"}],"predecessor-version":[{"id":133511,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/posts\/133510\/revisions\/133511"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=\/wp\/v2\/media\/113427"}],"wp:attachment":[{"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=133510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=133510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zamanturkmenistan.com.tm\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=133510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}