100-year-old colour perception theory had a math mistake: study

This visualization captures the 3D mathematical space used to map human color perception. (Credit: Los Alamos National Laboratory) This visualization captures the 3D mathematical space used to map human color perception. (Credit: Los Alamos National Laboratory)

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Many trapped in Florida as Ian heads toward South Carolina

Rescue crews waded through flooded streets and used boats Thursday in a scramble to save people trapped after Hurricane Ian destroyed a cross-section of Florida and brought torrential rains that continued to fall. The destruction began to come into focus a day after Ian made landfall in Florida as one of the strongest hurricanes ever to hit to the U.S.

Authorities transport a person out of the Avante nursing home in the aftermath of Hurricane Ian, Thursday, Sept. 29, 2022, in Orlando, Fla. (AP Photo/John Raoux)

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