Abstract—Reflective color sensing is typically realized through pho- todiodes with multiple illuminants or photodiodes coated with color filters containing a single illuminant. This paper presents the ...

Cool colours: the hotter square on the left is coated in a single layer of black paint while the cooler square in the right is a black bilayer. (Courtesy: Jyotirmoy Mandal) A bilayer paint that can ...

Liquid metal controlled by low voltage reversibly switches color and infrared response in nanoscale surfaces, enabling low power reflective displays, sensors, and optical security features. (Nanowerk ...

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