Scientists have developed a biodegradable 3D material made from cellulose that changes color depending on the temperature. This new material could revolutionize the way we think about sustainable packaging and other applications. The material is made from a combination of cellulose, a renewable and biodegradable material, and a small amount of carbon nanotubes. When the temperature changes, the material changes color, allowing for a customized and interactive experience. The development of this new material could open up exciting new possibilities for sustainable packaging and other products.

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source: Phys.org