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Real-time Color Changing Chameleon Robot

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Here is a soft robot that changes it color in real-time to match its background. This chameleon robot was developed by a team of researchers at Seoul National University. A liquid ink that changes color when exposed to heat was used to pull this off.

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Chameleon robot - supplementary information 1

As heat is applied, particles in the ink form helical structures that reflect light in specific wavelengths. Any color can be displayed with this approach. A color sensor was used to detect background color.

[Credit: Seung Hwan Ko et al.] [HT]

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