Squid-Inspired Packaging Keeps Contents Not Too Hot, Not Too Cold, But Just Right

Takeaways:

• Researchers at the University of California have made a temperature-regulating material for coffee cups, takeout containers, grocery delivery bags, and shipping boxes which was inspired by the way squid skin changes colour.
• Compared to traditional metallic films, the new ones offer a way to control the temperatures by using minimal energy.
• Mimicking a squid, the metal structures come apart when the film is stretched, which lets some infrared heat escape through the gaps. And they go back together when the film is relaxed, so it reflects and keeps more heat in.

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